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- Sep 10, 2018
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Much appreciated. Thankfully, I have some extra DP4 heads that should work for that.I use RO tubing but I had to use the barb fittings from my DP1's the barb fittings are a little small for the RO tubing. It comes with two sizes of tubing. The larger size is what is installed in the pump head. I also have sump low and sump overfull sensors just in case I have one pump fail for some reason. I run them for 15 minutes at a time three times a day. They are set for around 60ml per minute. What I did was calibrate the fill pump for 60ml. To calibrate the drain pump Iset them up for normal use but had the fill going to quart size cup and the drain pump removing from the cup. The cup was at the sump. It was about 1/2 full. I had a scale to measure the water before and after. I adjusted the drain pump so that it had the same weight after as before. It took a few tries to get it close enough to satisfy me.
Can you tell me how loud they are? These will be right under my stand, so I’d like to have the quietest pumps possible, but I realize there will always be some noise.