K KevK Setting up 125g Nov 8, 2004 #1 Just picked up a Kr2 calcium reactor, price was very good and I really don't want to pressurize anything I build. Do these use 100% or 5% Co2. Is there a good place in the Chelmsford area to get a stubby and get it filled?
Just picked up a Kr2 calcium reactor, price was very good and I really don't want to pressurize anything I build. Do these use 100% or 5% Co2. Is there a good place in the Chelmsford area to get a stubby and get it filled?