Z & Ps not happy - tank pissed - help?

1 or 1.5 ml is fine. It's not strong. I never worry about PH in Z&P tank because when the light off then my sum light is on to balance the PH. I change water every 2 weeks so the alk not up and down a lot. The V keep the N and P low that what I want.

Sounds good - The frag tank is a 20L no sump so I'll just do 1ml so i dont push it.
 
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