
I read about a Supra IV elsewhere but find nothing online about it?
Have to agree I had one for 5 years running on average 36 tanks, just replaced it, diaphram went(not bad it was second hand when I got it), found another second hand hi-blow 20 on e-bay and got it for under £40. works great onthe best product i could find to run that many sponge filters was a Hagen 20 blower.
If the back pressure is not too high, the Rena 400 might work. It is nearly dead quiet and can run quite several tanks or several huge air stones. Or an entire fishroom, it you don't need a lot of flow. It would definitely be ok with the depth.coryhead wrote:I am wondering if there is any one airpump on the market that will rum eight sponge filters for ten gallon tanks.