To facilitate good water flow we used CHOP Mark 2 together with sequencing valves.īecause each Fish Tank also now has its own ball valve it means water flow to the fish tank/s can now also be regulated as well. Recently we commissioned an 18 bed system utilising two of our large commercial fish tanks. Because each grow bed has an independent ball valve, the water flow can be regulated with greater control than gravity fed flow under the old CHOP system. A crucial point if you are running a number of them on uneven ground and have encountered problems with your auto siphons. The main point is that grow beds do not need to be perfectly level to function properly. So what are the advantages of modifying your system to CHOP Mark 2? It’s kind of like a double loop water flow with the sump as the central mixing point. The water from the fish tank and grow beds runs back to the central sump. With CHOP2 the pump sends the water to the grow bed as well as the main fish tank simultaneously. With CHOP Mark2 there are a number of advantages. This system works very well but it requires that the grow beds be perfectly level to function properly. Operating the old CHOP method water is pumped up from the sump to the fish tank and from the fish tank runs back to the grow bed and sump by gravity. So what is CHOP Mark2 and why should you consider using it? I am so certain this is a better way to run your aquaponics system that we have adopted CHOP2 into all our new larger Aquaponics kits that we design and build. We needed to refine the process for our client, so we came up with a solution that we've been trialling now for over a year. I noticed a problem with water levels whilst working on a small commercial CHOP system we were commissioning just over a year ago. The other variant Chift Pist runs in a similar way. CHOP or Constant Height One Pump has been adapted by Aquaponics enthusiasts around the world now for the last few years since we coined the term.
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