DIY diffuser for DIY C02
I have a heavily planted 20 gallon tall tank and I've always had trouble with BBA. From what I've gathered, the root cause is likely insufficient (or fluctuating) C02 in the water column. At the moment I have a Hagan setup w/ diffusion ladder. I don't mind it aesthetically, but I'm constantly fiddling with it so it works properly (e.g. removing yeast colony build up, removing plant leaves that are blocking the bubble track, etc...)
Id really like to move on to something that packs a bigger C02 punch with less maintenance and isn't a pressurized set-up (bc making your own CO2 from yeast is just cooler IMO), so I'm considering going the double 2L bottle route.
I'd like some ideas on an efficient DIY diffuser that would work well with the double 2L bottle set-up. Does anyone have anything currently set up that works particularly well?
lighting - aquatic life dual T5HO, 1 6000K lamp & 1 6700K lamp, both 24 watts
substrate - Flourite
Filtration - Aquaclear 30 HOB w/ purigen instead of carbon
Fertilization - PPS pro from Greenleaf
pH - ~7.4 a week after water change
Ammonia & Nitrites - 0
Nitrates - ~5 ppm
Flora - Cabomba, Anubias, Bacopa, Amazon Sword, Java fern, Wysteria
Fauna - 2 angel fish, 3 bloodfin tetra, 4 nerites, 5 RCS, 1 Oto.