5L CO2 Generator Refill 11 different species of beneficial

11 different species of beneficial bacteria and 2 species of trichoderma all in one product

Being sunk in the nutrient solution

or use 100% R

Exceeding stated dose is not harmful to plants

As it comes with an inbuilt fan balancer

5L CO2 Generator Refill 11 different species of beneficialMotherNature CO2 Refills are the eco friendly, long life, money saving solution to recharging your CO2 Generator. Depending on usage, the specially formulated compost and natural bacteria in your Generator will last up to six months. Once the contents of the Generator are depleted you can simply empty the Generator out, clean it down, and drop in a Refill. Its always handy to have a CO2 Detector to give you an exact idea of CO2 output levels and when