I am kicking around an idea for a cell phone based water sample spectrometer

It would be used for testing the water in my aquaponics system. I am not sure that the stuff I want to test is even detectable with the hardware I am going to use, but working out the mechanics is what’s challenging for me at the moment. The genisis for this idea is at http://www.backyardaquaponics.com/forum/viewtopic.php?f=50&t=11840&start=150#p345100 The process is …

I like making fish tanks overflow it appears

This is an Upside Down aquaruim sitting in what I call a Cascade tank – others may call it a horizon tank. Water is pumped from the bottom tank into the upper tank which oveflows back down into the lower tank. Controlled flooding. That is the hope… In album Upside down aquarium in a Cascade/horizon …

Upside Down Aquarium FAIL

I tried to set up my upside down aquarium today. I failed Well, technically, the aquarium failed. I think I have another aquarium I can use. The broken one will get a new back piece at some point in the future. I never throw tanks out, I just rebuild them. .

DIY Bell Siphon for Ebb and Flow Aquaponics with 75 gallon Aquarium

I had a rough week this last week, so I decided I needed to build something. So I built a bell siphon for an ebb and flow grow bed (also called Flood and Drain grow bed_ for the 75 gallon fish tank in the living room. This will allow me to grow plants using the …