Aqua Flow Water Conditioning Magnet.
Keeps nutrients soluble while keeping the feed lines clean of salt build-up. Plants love it They feel totally energized! Used on our demo systems to keep them looking and growing great!!Plant food can drop out of solution after going through a pumps electromagnetic field and can stick to the inside of pipes and tubes. This product corrects that problem by making the electrons spin in one direction while making the water wetter. If you have the bucks, buy this. It is well worth every penny. Some coffee company's use this device to dissolve more coffee into the water than would normally dissolve. Makes the coffee taste better too! Hook up to ½ inch ID tube. Patented product that you must ground to a ground wire or metal water pipe. EPA approved.