Alright, I have placed the last two tote tanks and configured them like the ones in the previous post without any issues. After measuring the standpipes and bell housing, I had to cut them down by 1-1/2" to get the water level down to 10" in the growbeds which would allow for 12" deep grow media. I also added some drain holes to the outside perf pipe and covered them with fiberglass screening to allow for better water penetration into the siphon, without this I would get a premature siphon break half way through the cycle with substrate in place. Next, I ordered two 950 GPH magnetic drive pumps from a seller on eBay at a huge discount. I basically picked both units up for the price of one. These have been installed and a working as planned.
I also ordered a commercial air pump for use in the tanks with a 6 way control valve assembly and four 18" air stones. This unit puts out 45Liters per Hour which is more than enough for the 1100 Gallons of water I have in the fish tanks. It took about 30ft of 1/8" tubing extended to all tanks to get this in place.
I also built a small shelf to house the unit and valve assembly. I had to bolt the air pump down to the shelf so it didn't vibrate around and fall off.
I have added 20 feeder gold fish to the tanks (5 for each tank) to start the nitrogen cycle process. I have had a few die off due to stress so I will be adding more as time permits.
Next it's on to the growbed media.....
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