We offer a great selection of testers and test substances. You can buy various acid, phosphate and other reagents to be used separately and as a part of a set. We provide testing devices that can conduct flocculation tests for water. They cause all contaminating particles to group together into big clusters and precipitate. They do so with the aid of various chemical substances and/or physical interactions. We offer a great selection of test kits. Water, soil, hydroponic, and various chemical test kits include all necessary substances and containers for complete quality evaluations of substances-under-test. Lowest prices for the highest quality products - only on MegaDepot.