I haven't seen any evidence of a pressure gauge on your system. If you don't have one, it would be a good idea to include that on your shopping list. Great way to monitor how your system is performing, along with the TDS meter. I actually use two pressure gauges, one at the source/input so I know what pressure is going in, and the second in the customary position between the pre filters & RO membrane. By comparing the two readings I can pretty much tell when the sediment filter needs attention or replacement. That's one of the items that gets changed out quite regularly on my system with 210 TDS source water. Good thing it's one of the less costly consumables.
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