30 gal with good substrate. 2 Turbo Co2 BIO Systems with reactors with ph contoller. 2x65 pc lights on for 11 hours. ph=7.2, kh=4,gh=6 .I have algae problems. Started EI dosing about a week ago, and i see better growth in plants. Algae still growing. It seems I cannot keep enough dissolved co2 in water. Have a red sea co2 indicator and it is amost always blue. (low co2) Please help!