Subj : Re: external canister fil To : All From : Damarkley@earthlink.Net Date : Sat Jul 03 2004 11:36 am Grant, that means simply that it can pump water to a height of 1.5 meters. If you try to run your lines higher than that, the pump is not powerful enough to work. Dean "Grant" wrote in message news:eebfc0e1.0407010338.1fffc148@posting.google.com... > I am busy examining the specifications for various external > power/canister filters, and was hoping someone could explain what the > specification "Delivery head 1,50 m/WS" means. I guessed it was to do > with the distance between the filter base and the surface of the water > in the aquarium, however for the same filter this figure above is for, > there is also listed the specification "The distance between water > surface and base of the filter should not exceed 180 cm" > > Hence I am at a loss...any suggestions?? > > Thanks > > Grant --- þ RIMEGate(tm)/RGXPost V1.14 at BBSWORLD * Info@bbsworld.com --- * RIMEGate(tm)V10.2áÿ* RelayNet(tm) NNTP Gateway * MoonDog BBS * RgateImp.MoonDog.BBS at 7/3/04 10:36:42 AM * Origin: MoonDog BBS, Brooklyn,NY, 718 692-2498, 1:278/230 (1:278/230) .