Underwater Pond Light
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Do I really need this for a koi pond?
I found a list of things that I need for a koi pond and I was just wondering if I really need all of this stuff.
-water pump
-bio filter (what is this?)
-mechanical filtration
-ultraviolet light system
-ozonator
-aerator
-waterfall
-fountain
-protein skimmer
-heating system
-underwater lighting
My pond is about 20x10x3 ft with the deepest area 5ft. I got this list from www.koifishponds.com/koi_pond_design.htm if this helps at all.
If I get waterfall can I do without bio-filter and aerator?
If you have the aerator you don't need the waterfall or the fountain, although they look nice. The bio filter just helps keep the sludge and muck out of the works and keeps the water clean. You don't need the underwater lighting if you don't care about seeing the pond at night.
But the rest of it, yeah, you pretty much need for a healthy pond.
EDIT: if the waterfall is robust enough you can replace the aerator with that, no problem, but you really need the filter to keep the pump(s) from clogging. Keep in mind also that these are not self contained systems; you will have to clean/replace the pump media on a regular basis, balance the water chemistry, do partial water changes from time to time...also, if you have racoons in your area you'll want to think about some sort of barrier to keep them out . Racoons think Koi ponds are sushi bars.
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