ok 2 options here. one of them might not be pressurized not sure. its for a 100 gal aquarium but its so cheap i thought i could just buy 2 of them. it says rated for 40 gal but works most of the time for 55 gal.
#1 http://www.amazon.com/Red-Sea-Fish-...=1339371353&sr=8-38&keywords=co2+aquarium+kit
#2 http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=14711&cmpid=03cseaz&ref=4144&subref=AA
my lights are so strong i have no option but to use co2
#1 is better right?
#1 http://www.amazon.com/Red-Sea-Fish-...=1339371353&sr=8-38&keywords=co2+aquarium+kit
#2 http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=14711&cmpid=03cseaz&ref=4144&subref=AA
my lights are so strong i have no option but to use co2
#1 is better right?