Do you fertilize your tank(s) with CO2?



And if you do, do you use Bio-CO2 or pressurized gas? Share your equipment preferences with us :)

Pressurized Nano CO2 System by Fluval (88g Capsules). Timed with a magnetic valve to only dose CO2 when the lights are on. Targeting 20-30mg.

20 lb pressurized with a solenoid and Pinpoint pH automatic monitor in my 75 gal planted discus setup, and DIY sugar/yeast in my 30 gal.