I had one...
It works OK but refills are very expensive and don''t last that long Its much cheaper (in the long run) to buy a regulator and a 5# CO2 tank. I have a 20 gal high tank and a 5# tank lasts 6 months at a cost of $25.
Compare that with the 80G Fluval refill
It works OK but refills are very expensive and don''t last that long Its much cheaper (in the long run) to buy a regulator and a 5# CO2 tank. I have a 20 gal high tank and a 5# tank lasts 6 months at a cost of $25.
Compare that with the 80G Fluval refill