Koi Fish Information Centre

How often should a physical filter’s media be cleaned?
:-)
Bill

OK:
Gotta read the question carefully…
Does a purely biological filter make the water cleaner or dirtier?
:-)
Bill

Gee, short questions look so easy…..
QUESTION: DOES A PROPERLY INSTALLED UV (ULTRAVIOLET LIGHT) MAKE THE POND WATER CLEANER OR DIRTIER?
:-)
Bill

Please forgive the commercial post - but these are not usually available at your local Wal-Mart……
The FLOW METER looks like an upside down test tube attached on top of a horizontal pipe. As the water rushes past it thru the pipe, it has a little thingee that rises up the tube to indicate how […]

Thought I’d share with the group my near loss of pond, recovery, and lesson learned. Specs. 1,700 Gal. pond, Performance Pro 1/4-49 pump, Ultima II 2,000 filter and Aqua UV 80W. Aloha Oregon, near Portland. 6 total KOI about 100″.
Trouble began when the water was more green than it should have been. […]

Disturbing evening last night. Got home to find somone’s purse had been thrown into my pond along w/ two pieces of medium sized flagstone I have as decoration around my birdbath. Called Farmington’s finest and filed a police report. Purse ended up being from a house on my block. Not […]

Does anyone have directions (or links to directions) on how to make a DIY water hyacinth/lettuce root protector ring from a hula hoop and (what kind of netting/fabric???)???? I’ve seen them before or read about how to make them before but have Googled all afternoon and cannot find anything except premade ones for sale. […]

I have a pond full of Koi and at Fleet farm its like a Menards they had a jug of this stuff to help get alge out of ponds. My pond is about 10,000 gallons. On the bottle it look like it was safe for fish and all and it was near the pond area  […]

We’ve been having some crazy weather up here in Minnesota. Had a tornado rip thru one day & straight line winds the next! No damage I can’t fix (glued flower pot and bird bath etc). However one of my fish was roughed up. Ironically I have a ceramic-type fish sitting on […]

There is a wonderful chemical that kills ants and is safe to use around the pond. It is NOT a poison - and it only affects/kills certain insects with a certain photoreceptor and enzyme.
The problem is that the manufacturer has targeted 4 specific markets and will not sell it to anyone else (yet) and […]