Anyone have any experience with this? JBL ProFlora Bio set. This supposedly has something in the container that releases/forms CO2. I don't want to break the bank for a 30 litres aquarium
JBL Pro Flora Bio 80
JBL Proflora CO2 Advanced Bio Set
JBL NitratEX & Bio NitratEX 250ml 240g Aquarium Fish Tank Nitrate Remover | eBay