hi, i have 39gal with some vallis and hornwort im hoping to get more plants but i haven't got any CO2, i was thinking about starting my own but havent got a clue where to start, could you help?
could i plz have alook at your DIY CO2 setups plz, it would be a great help
could i plz have alook at your DIY CO2 setups plz, it would be a great help