Evolution Aqua Airtech™ Air Pump Diaphragm Kits and Parts Blue Ridge Fish Hatchery and protects goldfish and Koi

and protects goldfish and Koi from cats and other predators

75" HP-200A 200 Lpm @ 20

The Pellet Size is small

Marigold and vitamin B enhance natural fish colors

Seat 22"W x 17"D x 16"H

Evolution Aqua Airtech™ Air Pump Diaphragm Kits and Parts Blue Ridge Fish Hatchery and protects goldfish and KoiDiaphragm kits return the Evolution Aqua Airtech pumps to the peak of performance! Linear diaphragm air pumps typically need to be replaced every 12 18 months. If you are frequently replacing diaphragm kits, your pump is likely experiencing excessive back pressure (i. e. it is pumping more air than the air stone can put out). Unlike water pumps, where an oversized pump is unlikely to cause a problem, oversizing air pumps is a frequent cause of