Simply Koi and More Koi

I have a general filter box a bioforce 9000 with a 600olph sump pump. 36 watt UV. I have an air pump which i think is 850 lph ( 6 air stones) My ponds been running for 5 years. The pond construction is raised about 18" above the ground with graduating steps to a depth of about 5 feet, however t...

My pond has suffered badly this summer due to huge amounts of algae. The failure of my pump during my holiday resulted in the loss of some of my fish. My pond is around 2500 gallons. Im now looking at buying a lacron filter either the 20" bead filter or the equivalent in the sand version. Im a ...