I have a 2.5 ft planted tank, with moderate bioload, 72W PL lighting (~2W/gal) . I am using a Jeabo 825 (1000 L/hr) canister filter, with biohome, Ceramic Rings and filterwool.
Have a DIY co2 setup. For diffusing CO2 into the water, I tried using an airstone, which was not very effective. I...