In need of filter idea for indoor pond.

newshedserpents · Feb 21, 2014

Hello, this is my first post here. I just finished a pond build. It's a all concrete indoor pond that's about 1500gals. I am currently using a small bio filter but it's just not cutting it. Currently I am keeping 1 rtc, 1 rtc tiger cross, 3 pacu, 1 clown knife, and 1 ripsaw in the pond. Please any ideas would be appreciated.

xraycer · Feb 21, 2014

Very nice! What's the ramp for (turtles)?

What do you mean by "not cutting it"? Ammonia? Clarity?

Yoimbrian · Feb 21, 2014

Lots use fluidized bed filters, such as the ultima ii series. Just oversize it a bit.

Other option would be a large sump with filter socks and bio media.

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duanes · Feb 21, 2014

I use biofractionation on my outdoor pond, and I bring the fractionator and the fish into a pool for the winter. I let the waste ooze into a bucket in winter, it drips onto the ground in summer.

It works especially well, when the pond is overstocked. The foam is the waste being removed from the water column, the lava rock provides bio filtration. Click on the pick below to start video.
I got the plans to build it on koiphen.com.