Imagine a pizza delivery, but for water purity. You buy a couple of big blue tanks, your vendor swaps them out when they’re exhausted, and you pretend the process is magic. This is service DI. Perfect for the startup that’s grown out of a garage but isn’t ready to hire a chemist.
I love these systems because they kick the liability to someone else. No regeneration chemicals, no “oops I burned the resin” smell. But here’s the irony: They are deceptively expensive per gallon. If you’re running 20,000 gallons a week, service DI will bleed your OpEx dry faster than a leaky valve.
