An RO/DI system that's due for filter changes doesn't announce it - TDS creeps up gradually, and by the time it's obviously bad, you've been topping off or mixing saltwater with compromised water for a while. AutoAqua's Digital Inline TDS meters catch that drift in real time.
Why Inline Monitoring Beats Periodic Checks
A handheld TDS meter only tells you what's happening at the moment you test - inline monitoring watches continuously, catching a filter starting to fail well before a periodic manual check would happen to catch it.
Choosing a Model
- Titanium One - a compact single-point inline meter that measures Total Dissolved Solids in real time at one point in your line.
- Titanium S1 - the same titanium probe and 0-999 ppm range as the One, in a slightly different form factor.
- Titanium S2 - monitors water quality at two points simultaneously, typically before and after your RO/DI filter, so you can see filter performance directly.
- Titanium S3 - monitors three points in your filtration line at once, typically tap water, mid-filter, and final RO/DI output, for the most complete picture of filter stage performance.
Setup Tips
- Choose S2 or S3 if you want to see exactly which filter stage is starting to lose effectiveness, not just final output quality.
- Set an alert threshold so you're notified before TDS creeps into a range that matters for sensitive livestock.
- Replace filter cartridges proactively once TDS trends upward, rather than waiting for a hard failure.
AutoAqua Digital Inline TDS meters are available at Marine Concept Supply across all models - order online or pick up at our shop in Wheeling, IL. Shop Titanium One, S1, S2, or S3, and browse more aquarium testing.
