Grain & GallonReview
Fleck 5600SXT review: the valve, the builds and who it suits
Fleck 5600SXT reviews from spec sheets and owner forums: what the valve does, what the AFW 48k build adds, where it falls short and who should skip it.
Water softeners
Salt-based water softeners judged on the limits their manuals publish: iron, hardness, pH, flow and capacity at efficient salt settings, with "not published" wherever a maker leaves one out. Start with the best water softeners for well water, or the SpringWell vs SoftPro comparison if you're choosing between those two brands. For a dealer-built system, the Fleck 5600SXT review covers the most common valve, the Fleck 5600SXT vs 5800 vs Clack WS1 comparison sets three valves side by side, and the settings guide shows what to program. If your test shows iron or sulfur, read the iron filter vs water softener guide first. We research from spec sheets and manuals and don't claim hands-on testing.
How-to
Fleck 5600SXT settings: capacity, hardness and regeneration explained
Fleck 5600SXT settings step by step from Pentair's manual: the capacity to enter for your salt dose, hardness, reserve, regeneration time and brine fill.
How-to
Fleck 5600SXT vs 5800 vs Clack WS1 valves, and what replaced the 7000
Fleck 5600SXT vs 5800 vs Clack WS1 from each maker's spec sheet: flow, backwash, tank size and programming, plus what replaced the old 7000SXT.
Buying guide
Best water softeners for well water, matched to your iron and hardness
The best water softeners for well water, ranked by the iron, hardness, pH and flow limits in their manuals, plus the limits each maker leaves out.
Comparison
SpringWell vs SoftPro for well water: softeners and iron filters compared
SpringWell vs SoftPro for well water: softeners and iron filters compared on each brand's published iron, sulfur, pH and well-flow limits, not claims.