My system was set up as a continuos drip system at first. This worked ok, but the water is reused all day and then each night I changed the water in the sump. It used drip emitters to control the flow at 1GPH. It also cost money to run the pump all day. I now run the system as auto water change system without drip emitters. I run the pump first thing in the morning and again at nite so the fish get a 100%+ water change twice a day. There is no reused water so there is no change of spread anything from one fish to another. It saves me money by not running the pump and it flushes the cups better. The fish do have to deal with a current for a few minutes a day.
RC
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