the original is still the best these high-quality resin ... gas including oxygen and carbon dioxide is to be used they produce a cloud of ... ultra-fine bubbles 100500 microns in size for excellent gas transfer ... oxygen transfer at a depth of 4 is typical because of the small pore size ... a minimum operating pressure of 25 psi is required the diffusers are set in ... -coated aluminum frames operating range is 2550 psi two-year warranty made in ... wedge-lock diffusers wedge-lock is a modular system of ultra-fine bubble ... plastic the streamlined wedge shape is more stable in tanks with high water ... diffusers measure 5.4 x 6.6 x 1.25 and weigh 1.8 lbs recommended flow 1.6 ... cfh 75 lpm maximum flow 3.4 cfh 1.6 lpm recommended operating ... pressure is 22-35 psi maximum pressure is 50 psi inlet is 1/4 barb fitting one- ...
bubble bead filters constructed of heavy-duty plastic bbf1 ... in usa polygeyser pneumatic drop bead filters designed as bioclarifiers these ... filters are capable of handling biological ... loads 50 to 100 percent higher than bubble or propeller-washed bead filters ... comes with plumbing to accommodate a water pump 10 psi max df7a is set up for ... airlift pumping water and air flow into the vessel ... continuously water goes in the lower pipe up through the ... media and back to the fish air is pumped into the charge chamber where it ... debris then settles to the bottom and is removed through the 2 sludge drain ... every 23 days nitrotech media included gives 50 ... 100 better nitrification rates than standard round bead media an air pump ... is required and is not included it must produce more ...