When you backwash multiple times, do you recharge with DE in between times or keep the filter without DE until youre all done with all the backwashing?
Best way is to scrub it with a metal bristle pool brush and treat it with a black algeacide treatment.. shock will not kill black algae it is resilient to chorline
How were you able to scrub the spots with the broken chlorine tablet for the spots that are down deep?
When you backwash multiple times, do you recharge with DE in between times or keep the filter without DE until youre all done with all the backwashing?
My hardness calcium is high and I need to drain the pool and refill it to fix it. Should I do that first or do your steps first?
When we shock the pool is it best to leave the pump off for a while so the shock just sit and soak ?
Keep the pump running. It will circulate the water which is best for killing all the algae.
I have my pool infested with black algae do you think this gonna work for my pool
Best way is to scrub it with a metal bristle pool brush and treat it with a black algeacide treatment.. shock will not kill black algae it is resilient to chorline