Biochar Sources

Does anybody have any good sources for biochar that they like? Not interested in making it myself right now. I just need a small bag for a…

Started by Alex Veidel

sediment removing biofilter

Started by Milo Shefik

Swirl vs. Plate filter

I'm building a small DWC system, and am trying to decide what kind of filter to use for solids removal. Is a swirl filter better, or should…

Started by Jeremiah Robinson

Activated Charocoal

I've been looking for a quick way to filter rainwater so I can add it too my system, so I've been mulling over the idea of building a bio-f…

Started by Alex Veidel

Remove filter from pump?

I'm using an ActiveAqua pump in my system, and the pump comes with a built-in filter that I've been leaving in and occasionally cleaning.…

Started by Eric T

Rain Water

I asked this question in the live chat section, but never got to see who answered because the conversation was pushed off of the board by t…

Started by Alex Veidel

Help With Dropping pH

Hello all, I am hoping someone can help me troubleshoot the problem I’m having with dropping pH.  The weird thing about this is it seems to…

Started by Steven M

Information about Kaldnes filter media, writing from peru

I want to make type Biofilter, Moving Bed Biofilm Reactor with filter media kaldnes K1 or kaldnes Biochip, need to contact manufacturers, a…

Started by Jesus Jimenez

Bloodworm?

I find these worms every time I clean my first IBC AP filter, I am assuming they are blood worms which means I am fortunate, yes? 

Started by BR