Rodi unit

The question is how many stages. I use a 4 stage reactor in water that arrives through copper pipes, and out of agricultural land. You should also choose a company that has replacement media: the cylinders wear out at different rates depending on your water, and you have to be able to replace them, which takes a cylinder wrench (should come with your set) and two NFL players to unscrew. The ro membrane has to be replaced far less often. I was quite impressed with BRS product and on-phone advice.
 
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