DIY CO2 FROM CITRIC ACID AND BAKING SODA - COLOMBO CO2 GENERATOR
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- Опубліковано 14 жов 2024
- I've never made diy co2 with citric acid and baking soda, but today that is going to change! This CO2 reactor from COLOMBO is taking diy CO2 to another level!
COLOMBO colombo.nl/nl/
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Just did my first refill/recharge. A few things:
1 - getting the regulator off was... challenging. I’m no slouch and it took several attempts and various grips and angles to finally make it happen. When I finally did get the regulator off, there was some crystallized residue in the threads and on the o-ring from a bit of an overflow experienced during the first charge. avoid the overflow if at all possible (see more below), and this shouldn’t be a problem.
2 - there will prob be crystals when you empty the solution that’s contained inside the cylinder, which I believe to be unreacted sodium bicarbonate precipitated out of solution - harmless, but be sure to get them out.
3 - rinse the cylinder out with *very* hot water, then fill to top up to the threads with more hot water. Let sit for a few moments until cylinder is too hot to handle, then empty. leave upright to cool and the residual heat in the metal helps to dry the cylinder inside, which helps minimize bicarb or citric acid sticking to threads during refill.
4 - remove the o-ring from the regulator and rinse - but don’t forget to put it back on the regulator after. *carefully* rinse the threads of the regulator (as needed), being careful not to get water inside the regulator itself - do *not* immerse the regulator or turn it upside down under running water such that water could possibly get inside the regulator body itself. sit upright on a piece of kitchen paper or a towel to dry, allowing threads sufficient time to dry completely before reinstalling
5 - when you add the recharge chemicals, add citric acid first. it is lighter/less dense and dissolves more quickly in water. adding the bicarb second and on top of the citric acid provides a “barrier” to a premature reaction, as it is more dense and dissolves more slowly in water. gently shake cylinder after each addition of the two components to spread powders into even layers, helping to facilitate this insulating effect.
6 - the ~45° cylinder tilt recommendation while adding water is really effective, especially after the above layering technique. while pouring the water slowly and steadily at this angle, I heard the first bit of the reaction begin from inside the cylinder, but it never bubbled over and I was able to reinstall/rethread the regulator with *zero* overflow or spill, which hopefully means no stuck threads next time I recharge. instinctually it may seem better to pour the water into the cylinder as quickly as possible, but doing so will invariably stir up the chemical layers leading to a potentially very messy and unexpected premature reactulation - however do not be embarrassed if it happens to you, as it is a common occurrence during one’s first time. (...you’re welcome 😜)
7 - once the regulator is fully reinstalled and the cylinder is properly sealed, gently swirl - do *not* shake - the cylinder contents/solution to help facilitate proper mixing and a complete reaction.
After above, my cylinder was fully recharged and ready to go within about an hour, but will continue to react over the next several hours. Overall I’m really pleased with how the system has worked thus far. I’ve found several retailers with different versions of the same product for as little as US $80, a bit more for those that include the electric solenoid. As I live in NYC and finding a CO2 provider nearby was neither convenient let alone cost effective, and I find this system to be both. And as it uses food safe ingredients to generate the reaction, there shouldn’t be any risk of introducing potentially unsafe trace elements/chemicals into the tank using CO2 from a potentially unreliable source. 👍
That is awesome! Thanks a lot for the detailed explanation 😊
how long did it last per charge and how many bubbles/second
@@aznsushi41 funny you should ask - mine ran out just about a week ago, and because of travel, I only just recharged mine today. I run a pretty low dose though, so mine probably ran way longer than Mark’s.
That said, when I opened it up to do so, the threads were not gunked up like the first time I did a recharge. 🙂👍
@@MJAquascaping why did you not mention that this DIY CO2 kit does not come with selenoid but has to be bought separately??? I had to contact fzone to ask them where I could get the sold separately selenoid, you should be more precise and detailed when doing this review; with selenoid, you be paying $99+ (UScurrency) not the $74+ that your link provides for US
@@destryl1076 Sounds like a case of buyer beware to me
You got to make an update to this, how long it last, how well it's working ect. The product is intriguing 🤔.
Really pleased to see these systems getting used by more people. Great video! 👍
Hey thanks! I actually watched your video as part of my ''research'' good one 😊👍
@@MJAquascaping haha. Happy to help! The Colombo does look pretty good quality. I especially like the push valves. I have one of their solenoids on my system now and it is working great. 👍
Bough similar one for myself (1L) couple months ago.
Works really nice.
1L bottle lasts for about 2 week with 3bps.
Small tip:
If you give it a shake after refill it goes up to 20 bars within an hour or less.
I would recommend to go with a 1:3 raio for the acid and soda as this is how the reactionequation looks like: 3NaHCO3 + C6H8O7 → C6H5Na3O7 + 3CO2 + 3H2O. NaHCO3 is sodium bicarbonate, C6H8O7 is citric acid. When they react the produce C6H5Na3O7 (sodium citrate, a salt), CO2 and H2O.
To get best reaction this is inportant as if you go 1:1 ratio you wont get as much CO2 out of it.
Niklas, what is the best ratio to get maximum Co2 per batch? What is it in grams? Solvent is 100ml tap water.
Thanks!
Does the solvent (volume of water) matter?
I was reading only 7.8g of Baking soda can fully dissolve in 100ml H2O.
@@paulandrewgomez861 1:3 ratio. 1 part citric acid and 3 parts sodium bicarbonate. About the water you dont really need much, since the reaction itself will create water. You just need a splash to start the reaction.
@@tjablaj omg, you are amazing! Thanks for the reply. I'm still in google looking for answers. 😆 lol!
@@tjablaj It's confusing. I had just read this:
"So to maximize the yield of CO2 gas (since this is the gas produced and I imagine you are interested in the dramatics!) you should use one mole of citric acid and three moles of baking soda.
These mole numbers can be converted to mass using molecular weights. For baking soda its 84 g/mole and for citric acid its 192 g/mol (roughly).
So the ratio you want to use is 3:1 or 252/192 = 1.31. That is for every 1 gram of citric acid use 1.3 g of baking soda. This will give you the maximum amount of CO2."
What is your take on this? The difference in terms of grams is huge. 1:3 is 100g Citric to 300g Baking soda.
While the other source says 100g Citric to 130g Baking soda.
Great review. Nice song. Keep up good work. 👏🏻
Wow a nice way to diy co2.Thanks for sharing.Please do share the actual time the canister got depleted.
I got 5 months out of it! ua-cam.com/video/AVNhkCmqXx0/v-deo.html
please make a video on how to care for the tube and all the equipment so that everything lasts long term
Im not a fan of DIY CO2 because its so cheap and easy to get a tank from my local beer brewing supply store. But your results are fantastic, the carpet looks great. Nice job
Hi.. oh wow MJ, great minds think alike, I am literally going to put out a review and setup of this co2 system on my channel tomorrow. Nice video MJ as always
hahaha awesome! Ill definitely be checking out your review!
Hey MJ. The paper cones are called a ‘funnel’. Neat system. Very interested in this product.
Sometimes you just can't find the words 😂
@@MJAquascaping You are doing great. I can’t speak another language.
Been seeing these a lot lately on online shops. Might switch to one sooner.
If anyone else is interested, according to there own product page question and answer section, no this is not adequate for an indoor closet/tent grow. Sadly. would be an amazing replacement to whats currently out there.
Yes it is. There is a video. Each fill will hold about 1200 ppm for 16 hours a day at least. Lasts for about 8 or 9 days. It's good If you can't get refills.
Can I use my regular yeast/sugar in these type of canisters?
When you replace it .. you must wash the bottle with warm water
I plan to buy this next month. Thank you for this video Chris Martin XD
Hi MJ,
Thank you for this video. You have a new subscriber.
I looked into the Amazon link for US and it seems to be a different brand? Is that correct?
Yeah this brand is not available in the US, so I tried to look for a similar version
Great video! Does it matter if I use citric acid crystals or is it the powder. I only ask because the crystals are significantly cheaper... Thanks
That's a realy nice CO2 set. The design of the bottle is awesome, but the stand should be black though. Maybe I'll buy one of these sets in the near future.
This is by far the most expensive way you could ever conceive to generate CO2. Allow me to run some numbers:
1. The stoichiometry bicarbonate:citric is 3:1 (in moles, not in grams)
2. I believe the citric acid sold as food grade, even when advertised as pure, is monohydrate, at least partially.
1 mol of sodium bicarbonate is 84g and reacts with 1/3 mol of citric acid, 192/3 = 64g if anhydrous, 210/3 = 70g if monohydrate.
The reaction results in 1 mol of CO2, 44g. To sum up, you mix 84g of bicarbonate with 64g to 70g of citric acid to obtain 44g of CO2.
You can read in the instructions to add 200g, 200g, and 300mL of water. While there is a slight excess of bicarbonate, I think it's better that way because bicarbonate is way cheaper that citric acid. Following the instructions you will get between 200/64*44=137.5g and 210/70*44=125g of CO2.
Colombo claims on their product description 105g of CO2 per batch, which seems about right considering part of the CO2 is lost on preparation and remaining gas at the end.
105g of CO2 per 6$ seems cheap, but it's actually 60$ per kg. I can find CO2 refills online of 3.15Kg for 30£ (about 33$). That's about 1£ per 100g! With citric acid method you are paying 6 times the money for CO2 after expending 200£ (or 220$) in an overpriced metal canister.
The maths just don't add up. You need to lower the price of a refill to 1$ just to break even. That's about 3$ per kg of citric acid and 2$ per kg of bicarbonate. I insist, just to break even!
Unless they find a very good deal on citric, DIYers should stick to the sugar method. Sugar fermentation (anaerobic) yields 2 mols of CO2 (88g) per mol of glucose (180g). That is 488g of CO2 per kg of sugar. If 1Kg of sugar is about 1$, yeast CO2 is roughly 2.20$ per Kg. Even if you account that 2/3 of CO2 are lost during the night, you are still on 6.60$ per Kg (compared to 10$ pressurised and 60$ by citric acid).
TL;DR Sugar-yeast is the best DIY method. It's uncomfortable, stinky, low pressure, but it's C H E A P. If you are going to spend 200$ get a professional system. Stay away from citric acid unless you can get it for 3$ per Kg or less.
Source: I'm overeducated and underestimulated
Been looking at this system, thank you for this, now im ordering it!
Cool! 😊
I've got a similar co2 system, a so called 2l double cylinder, but this look a bit more sturdy and of better quality. Lasts about 2,5 months. I'm overall happy with it, the only annoying thing is the need to adjust the regulator frequently , especialy when its almost emty.
I'm looking forward to hear about your experiences 😀
2,5 months is not bad at all. Yeah this one is doing good so far. Been running for 3 weeks now, and I think I've used about 20% of the Co2 now.
@@MJAquascaping I know it's been over 2 year since you posted this, but I have a question which I hope you can answer. Over night when the system is shut down, doesn't the pressure build up too much?
@@PortugalCarp Nope it doesn’t 😊
@@MJAquascaping Wow, thanks for the reply.
I got the 5L bottlle for 108 cad. The 1L kit cost more than that for prime ( there are some chinese third party sellers that have the 1L for 80 cad.
Brother, i wrote you weeks ago, wondering if this system is the one, it is ^^' I'm very happy with it for a week. When i poured the water, the sizzling was immediate. I had your " here goes nothing" in mind. Overall a nice purchase, my plants are thriving ^^'
Awesome! Mine is still going on the first recipe! Almost 3 months now 🤩
@@MJAquascaping i have a 54 l, so i don't expect it to last like yours, but so far i plan 1 month with this first recipe :)
Amazing! Can it work without the solenoids? I mean, by closinh the pressure valve is it possible to turn the system off? I'm doing some eye shopping and it seems like there is the version with and another without the solenoids
Hi how's it doing . Refill performance etc
Still very good, just refilled it last week. So 3 times refilled in 1 year
@@MJAquascaping that's cool . How about equipment can we use ordinary solenoid regulator on it or specific ones .
Awesome video Mark, although your DIY co2 is working great for me 🤜
Stick with what works for you mate!
Hi thanks for the video. Should there be an o-ring in the cap for the bubble counter? I mean the but you unscrew in order to fill it with water? I have air leaking from there but I can't see any damage. Thanks!
I wonder if you can use dry ice but that would be just as much of a pain to get if canister refills are hard to get.
Hi I'm from Malaysia, like your details unboxing video. One question here, I bought similar china brand co2 reactor, but my solenoid was very hot, is that normal?
Mine does not get really hot, but i have other solenoids that do get quite warm, so i think its normal
WOW IVE HAD THESE FOR OVER A YEAR NOW.have 3 OF THEM..they do work very well.got mine direct from China back then.there are a few things to remember when using these though.
Like what Steve?
Well, sugar/yeast use it with the reversed cup and you can more or less control it. At least enough for our practical applications. Not to say it is perfect but good enough for the needs of most people surely.
Yep! I’ve used the reversed cup method for a long time! 👍
Is this good for "Air" plants?
Pfff ik ben nog zo aan het twijfelen… Ik weet zeker dat ik een CO2 set wil. Nu houd ik van simpel gebruik en niet te veel rompslomp, eens in de maand het verversen is prima. Maar ik lees ook dat een hoop mensen elke 2 weken weer aan het prutsen zijn.. maar om de zoveel tijd je fles laten refillen is ook weer zo wat.
Ps. De Maanvis is een top winkel, Maarten heeft me geweldig geholpen! 😊
Very interesting set up. 👍
🔥💯 great video 💯🔥
If you have a timer where do you conewct them. Will not explote the bottle ?
I have a metal co2 steel 402 generator like yours but can I put white vinegar and bicarbonate of soda instead of citric acid and bicarbonate
Hey bud, could you make a video on how to clean the tank and resetting it? Also, how do you know when it's time to refill? Sorry about the super noob questions.
Can you send a pic of your aquarium stand with rack. Where you keep the cubes. It’s elegant
Why should one upgrade to this from the dyi system? Is this more safe when it comes to explosions etc?
Hi I always watch your video one thing i wanna ask is that can it be connected with three way valve splitter with these products..
I think so, but I haven’t tried it yet
Great video. The paper device is called a funnel. Thanks f.or the video.
Dam, I paid €90 euro for a JBL solenoid in my local fish store. I might sell my system and get this one. Looks like great value
Jbl solenoid are a scam.
How much pressure does it makes..? I want to make so I can refill my rechargeable 12g co2 cartridge for my airgun
Thanks for the informative video ❤👍🏻
I have a buildup of crystallization inside my co2 generator. Even boiling hot water seems to have little effect. Is there anything you’d recommend to dissolve the buildup?
great overview of the product! I like that grey long sleeve... where's it from? 🧐
Thank you! Got the long sleeve from Zara 😀
The cheapest CO2 is sodastream, which you can buy from groceries or supermarket. The only problem is that the sodastream bottle doesn’t fit into aquarium CO2 pressure regulator. So you need to buy an adaptor to connect the two, and you will have pure and long lasting CO2 supply. This is probably the cheapest pressurised CO2 you can get from the market.
Yeah I've seen a few people using sodastream. might have to try that in the future as well
Long term, SodaStream will be expensive. The refills are not cheap compared to filling a large tank. But it is convenient.
sorry may i ask come question ?
1st of all is there any smaller package like 1L bottle? this one is a bit too big
2nd how much psi it produce with 200g+200g ?
we can just do it with those 1 time 95g co2 bottle, put things in and put the regulator, done
Hey bro, Im a big fan of your channel! Please bless us with an updated review. Im compiling a list of gear for my 15g project and these kits seem terrific for my budget. Cheers!
I will do an update on this when the first batch of soda&acid will run out 👍
What kind of citric acid can i use for my co2 system? I got the Milliard citric acid and it has a lemon on it. Its a fine grain powder Can i use this one?
Mooi ding, alleen prijs is niet zo mooi.. 200 euro! Helaas.. MJ zou je een follow-up video kunnen maken van de high end DIY CO2 over een tijdje? Thnx alvast, goede video zoals altijd!
Ik maak een follow-up zodra het eerste recept uitgewerkt is!
Ik heb dezelfde soort reactor gevonden op Amazon van een ander merk voor 69 euro. Stuk leuker.
Can I use this I a grow tent?
What is good is that both reagents can be bought in a grocery store.
im new at this and looking for a co2 system , does the pressure built up when is off? like at night?
I am really impressed about this CO2 system!
Yeah I like it as well!
big question . when refilling the canister how do you clean it or dry it? And also how long could one batch of co2 last?
I'm still on my first batch! 7 weeks now... pretty sure i can manage 12 weeks. To clean and dry it I don't know yet. Will see when the first batch runs out.
@@MJAquascaping Will you please give us an update when it runs out and the process after? Thank you! :)
Hi have a co2 kit like your but mine is a 1lt will it be safe to turn the co2 off as my water as dropped in my bubble counter and I need to refill it and put it back cheers
Such great quality videos 👌 good job! thanks so much 😁
My pleasure!
Anyone know how to get rid of the crystals that form? There's a layer on the bottom of the canister but it is almost impossible to break apart because of how hard it is.
i watched one other video with the same setup from "aquarium shed" which was very interesting.
some nerd did the math and calculated that 200g of Baking Soda and 200g of citrid acid produces 105g of Co2 (i hope this is true)
lets say i buy 5kg of each substance for 20Euro each (=40 Euro in total)
i can refill 25 times (5000g/200)
in total 5000g baking soda plus 5000g produce 2625 g of co2.
so thats 40euro for 2,6 kg co2
i would buy one under 100EUR maybe but for 200EUR i could just buy a pressurized system which is cheaper in the long run and does not need much maintenance. or am i missing something?
yep this should indeed make about 100 grams of CO2, so comparing it to a regular pressurized system this is not cheaper in the long run. I do like the idea of not having to travel to my lfs to get my pressurized bottle refilled.
@@MJAquascapingdefinitely, thats one big benefit. its good to have options, if yeast or a pressurized system is nothing for you.
@@MJAquascaping you can go to your local liquor store to for a refil. And a regulier system gives you 6 months of Co2 for 20 euro.
@@Crustahuis true true.just want to add that you can find the substances cheaper if you spend some time and buy more. Found the Banking Soda for 1,22€/kg (25kg) or even lower. So the price gap is not that big this way
If you can order the baking soda and citrus acid in bulk that'll save you some money instead of buying the refill kits. In the long run I think you'll definitely get back your money's worth with something like this in the long run.
Yeah exactly!
I bought two BIG bags of citric acid powder and baking powder almost a year ago, and still have about a third of the contents left in each bag! Am using the EXACT same CO2 generator system as in the video (although mine didn't come with the solenoid; no problem though as I just turn off the regulator at night and back on in the morning!), on a 30-gallon and, believe it or not, a 10-gallon Betta tank! Refilling the 30-gallon unit more frequently, obviously, but the results are exactly the same: lush green plants everywhere, and the Betta is thoroughly enjoying himself weaving in and out of the live plants in his 10 gallon "kingdom"!
Wat betekent het dat mn 3 streepbarbeeltjes zwemmen rond de co2 diffuser? Ze zwemmen echt rondjes eromheen met zn 3tjes.alle andere visjes zwemmen wel gewoon door de rest vh aquarium
with regards to the diffuser, how much CO2 diffused into the water against CO2 escaping to the air (wasted)?
can i used this for my grow room ?
absolutely
Hey. So I've bought the whole co2 kit. I was wondering where can I get those a and b refillable pack from? I can't seem to find thete anywhere online. Please help. Thanks!
I've only seen the a and b refills being sold by the company Colombo. Search for: Colombo Co2 Reactor Refill
It’s just Baking Soda and Citric Acid powder. 👍🏼
Hi MJ. Are you still getting Co2 at the same rate you did when you first made the mix? In the UK it is £135.00 so nearly the same price as a GOOD pressurised system! I really like this system but need to know how it all goes before I go for it. Thanks mate!
Hey Simon! So far it’s running perfectly! Getting a very stable bubble per second, the solenoid works well, and the pressure is still around 20 bar. It’s been 9 days now I think btw.
Hi MJ. How much pressure do you get from this co2 system?
Edit:
I use 100 Gram Of A&B And 150 water , 1-2 bps for 14 days
Greeting From Indonesia 🙌
And you close the system at night?
@@MJAquascaping yes co2 Only 8-9 hours
1kg of canister
is it safe to turn off at night?
Do I need wait 8 hours of reaction on a bootle and than turn on this
Loved your cat what his name?
How high does your pressure get? I set mine up yesterday and the needle is almost past the green zone after about 24 hours. Also, is it normal for water to be in the diffuser?
Mine never went above middle of green and last couple of weeks is in the yellow but bubble count is staying steady so I haven’t changed it.
Water will get sucked from the tank into the diffuser and even up the hose when the system is off, that’s normal and isn’t a problem with a check valve installed.
how long would it last?
Hello, first thank you for your videos, I am starting aquascaping, I still do not use C02, only Seachem Excel. I am thinking of acquiring a system like the one in you video, but I do not like diffusers, and I am wondering if it is possible to insert the other end of the C02 outlet hose into the tube that extracts the water from the aquarium to the canister, so that the bubbles enter the filter directly and leave mixed and diluted in the aquarium.
I have never tried this myself. I know other people tried it and say it is possible. So yeah I would say just try it.
Your cat is adorable!!
i dont get the purpose of the check valve. i mean any water that goes back up the line would just end up in the bubble counter right?
I realy want to see if you can try using yeast in tht system
I was wondering about that as well!
@@MJAquascaping please update is u are using.. I need to know the secret formula.. Wonder if u are going to put some gelatine or not
I know that @Chea Chandarin is planning to test this out. Chea, it would be great to know how it went! 👍
So how long did 1 tank last and what bubble rate?
Personally i havent tried this one, but I have tried the 2 bottle type, ive even tried just putting it in one bottle and regulating the pressure, and ive tried the sugar yeast approach, personally i havent been happy with any of them, the best reaction I've had lasted 5 days, but it was unstable, I had to constantly adjust the pressure being released everytime and im not talking daily tweaks, I'm talking multiple tweaks a day, and to top it off black beard algae loves unstable co2. To be honest if you're home all day and willing to put in the effort its probably worth it, but if you want to just set up and let it run with minimal tweaking just spend the money and get set up with a pressurised system! To me my time is worth more than DIY co2, and I'll spend the money to keep my time!
Hi !
Are you still actively using this system and you still satisfied sir?
Yes I am! 100% satisfied
Would this work on a 90 gallon planted tank?
I’m considering buying a similar system off Amazon because the model you have isn’t available to me in Canada.
Can you do an update on how this system is working out for you/if you’re still using it? :)
Still using it! Still works perfectly! I'm using it on a 20 liter aquarium and it lasts about 3 months.
Please provide an update for how long this mixture lasts
I will definitely do that!
Hey MJ, kan ik hem ook vullen met suiker water en gist? Mooie topic btw.
Hey Dennis! Ik denk het eigenlijk wel, zou niet weten waarom niet. Het enige wat ik kan bedenken is dat de chemische reactie van baksoda en citroenzuur pauzeert bij een bepaalde hoeveelheid druk, en suiker en gist niet denk ik.
@@MJAquascaping okay MJ dankjewel. Goed bezig man. Je hebt een accent in je Engels, niet echt Nederlands klopt dat? Maar je beheerst het super👍Cheers 🍻
@@dennistimmer4103 gewoon 100% Nederlands haha, maar in het dagelijks leven spreek ik meer Engels dan Nederlands 😉
@@MJAquascaping top, ga zo door👍🍻
Do you think i can install a splitter on this unit?
Thank you my friend
Looks good but the cost will be prohibitive for some. Quite a step up from DIY yeast and Gelatine. Granted once the initial investment is made it looks very cost effective.
Fzone has similar one is it good ?
Yeah I still like it!
I would appreciate if you reviewers tell us about the con s cons of this system that the byproduct of yeast produce a slimy stuff that mess up my aquarium will never use the yeast and sugar method anymore tell the watcher of your video what are the down sides to this method I found out the hard way because reviewers doesn’t mention everything they talk like it’s a perfect method
Sometimes I shake my DIY-two soda canister citric-baking soda solution and it still fizzes before I even introduce additional citric to the baking soda canister when the pressure lowers down, did the manual say something about shaking it to raise the pressure up again?
No mention of any shaking, but I think this is a good tip! 😊👌
It's best not to shake this system as the reaction causes a deposit on the bottom which ideally you don't want to get on the ceramic filter. A gentle swirl at the beginning is a just fine and the reaction will take place and be contained in the cylinder. Hope that helps. 👍
Is this safe to use for carbonating drinks?
ciao sono capitata nel tuo canale perchè cercavo video su impianti di co2 ricaricabili come questo e video in italia non ne ho trovati.... la sola bombola quanto dura ? perchè so che le bombole hanno una scadenza, inoltre non riesco a trovare il link dove acquistarlo.
Ziet er erg goed uit. De kwaliteit lijkt mij ook erg goed.
will it work for indoor gardening too MJ aqua?
I have no idea 😊 I don't have any experience with indoor gardening.
Hello, Are you still using this product? Is that worth to buy for 30 liter nano?
Hey! Still using it! It has been running for 3 months now, and I’m still on the first recipe with baking soda and citric acid
How much is the cost difference between a pressurized co2 system and this system?
🎉
since this is basically a metal bottle, could you do this with the sugar and yeast method?
I need to know the answer to this too
Mooi systeem, hoef ik mijn co2 fles niet meer door de winkel te laten vullen.. 🍀
(waarop ik doorgaans een paar dagen op moet wachten en dus mijn aquarium een paar dagen zonder co2 toevoeging staat)
With baking soda being readily available and citric acid somewhat available, is it possible to use third party products instead of using the Colombo refill?
Absolutely!
Hey bro do you know how to bleed the tank when it’s empty ?
What do you mean with bleed?