Best Rust Stain Removers for Sinks, Tubs and Toilets
The best rust stain remover depends on the surface. Five picks for porcelain, enamel, fiberglass and stainless, plus the one to handle with real care.
Category: Blog
Best Rinse Aids for Hard Water
The best rinse aid for hard water keeps spots off glasses only if the dispenser is set right. Five picks, the dial setting to use, and the truth about vinegar.
Best Reverse Osmosis Systems for Well Water
The best reverse osmosis system for well water depends on your pressure switch, hardness and iron. Five picks matched to how your well actually runs.
Best Replacement Water Softener Resin
The best replacement water softener resin depends on chlorine and iron. Compare 10% crosslink, 8% and fine mesh picks, plus how many cubic feet to order.
Best Replacement Control Valves (Fleck and Clack Heads)
Best replacement water softener control valve picks: Fleck 5600SXT and 2510SXT heads, plus when a Clack WS1 rebuild kit beats buying a new valve.
Best Remineralization Filters for RO Water
The best remineralization filter for your RO depends on fittings and taste. 3 add-on cartridges and 2 RO systems with minerals built in, compared.
Best Potassium Chloride Softener Salt
The best potassium chloride water softener salt, plus what switching really costs: higher dose, more bags, and the setting most people forget to change.
Best Metered (On-Demand) Water Softeners
The best on demand water softener regenerates on gallons used, not a calendar. Compare 5 metered picks from Fleck, Kenmore and more, plus key settings.
Best Non-Electric Water Softeners
Want the best non electric water softener? Here's what truly softens without power, which salt-free systems only condition, and who should buy each.
Best Nitrate Removal Filters
The best nitrate filter is RO for drinking water or a nitrate-selective anion system for the whole house. Five options, plus the nitrate dumping trap.