UPuper® Rockwool Grow Slab Using Guide

Do you know how to correctly use the UPuper® rockwool grow slab in greenhouse planting?
View this video for more using guide.

[@andrecardosoodontologia]

Parabéns! Adorei! Como comprar no Brasil a lã de rocha? Tenho procurado, não encontro.

[@upuperrockwoolsubstrate8938]

hello, thanks for loving our product. You can buy from our website: www.upuper.com. Or you can send the inquiry to e-mail: [e-mail].

[@freddysart4005]

So is there recirculation of nutrients/water?

[@F4Insight-uq6nt]

This is how Professional Grow Crops Commercially. Take note all who claim other techniques are superior... THEY'RE NOT!!!
SLABS and NFT using Rockwool is the best way to grow.

[@robertblake4006]

What a lame explanation. Presoaked must be PH corrected already. After 24h PH still might be out of range.