"Head pressure" refers to the distance the pump has to push the water up to where it returns into your tank. The greater the distance the pump has to lift the water, the more pressure it will loose. Try searching out head pressure loss calculators on RC or maybe someone here can post a link.
__________________
260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa). http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here http://www.vimeo.com/2304609 and here http://www.vimeo.com/16591694
Last edited by fishytime; 02-13-2008 at 01:14 PM.
|