Best damn organic recycled solar pump hydroponic system

Step 2 Prepare the Growing Medium

If you are using coconut product, soak it in buckets of water for a few hours to break apart the compressed bricks and to clear any residual salt (a byproduct of the manufacturing process). This also gets rid of small particles that can clog the filters or the pump.

Here's a photo of the medium, with a Canadian nickel (same size as US nickel) for scale.