Something like this: http://www.aquaessentials.co.uk/tmc-aqu ... -4390.html
It says it's limited to a tank of 200L. Why? Is it because you couldn't feed enough co2 through the small pipe connection, or because of the limited contact time within water while spiralling?
I ask as I'm wondering if this would work in my 400L tank if placed underneath a Koralia 3 or 4 to spread the goodness around the tank?
It says it's limited to a tank of 200L. Why? Is it because you couldn't feed enough co2 through the small pipe connection, or because of the limited contact time within water while spiralling?
I ask as I'm wondering if this would work in my 400L tank if placed underneath a Koralia 3 or 4 to spread the goodness around the tank?