Tannic and humic acids will throw off the co2 chart as will phosphates including those in your water supply. The only way to use those products and know your co2 level is to get a co2 test kit such as the one lamotte sells.
Marcel
__________________
FILSTAR Pimp #2
75 gal heavily planted,50/50 Black beauty,Eco-complete substrate, Pressurised CO2 with solenoid, ph controller, AB Reactor 1000, 330 watts 9325K GE PC lighting,Ehiem Liquidoser, 2-Filstar xp3 canisters.
|