Homebrew Filters

Homebrew Filters

Water, decided by numbers

Covering Reverse Osmosis Systems, Water Filter Media And Performance, Water Quality Troubleshooting, Homebrewing And Beverage Filtration, Water Softeners And Hardness, Chlorine And Chloramine Treatment, Fluoride Removal, Water Disinfection, Refrigerator Water Filters.

Treat water like a recipe, not a mystery.

Test it, read the numbers, filter to target. Every guide here starts from what your water measures — not what a box promises.

TDS 148 ✓GH 4°pH 7.0
Beaker, graduated cylinder and water test meter on graph paper

Independent — we don't sell filters, we test claims against the numbers.

  1. Does Brita Remove Nitrates? What Works Instead Standard Brita pitchers lack a nitrate-reduction claim. Learn how to verify RO, anion exchange, or distillation against your water test.
  2. Ninja HydraSense vs Brita Hub: Cost and Certifications Compare certified contaminant claims, 12-month filter costs, controls, and counter fit to choose between Ninja HydraSense and Brita Hub for your tap water.
  3. Water Filter for GenX and PFHxS: Claims That Work Compare PFAS filter claims for GenX and PFHxS, decode NSF/ANSI 53 and 58 listings, and verify the exact model as federal rules change.
  4. Testing for Iron in Water: Home Kits, Lab Tests & Results By Erik Sandoval, water-treatment technician and homebrewer
  5. Tannin Water Filter: How to Test, Compare and Size a System Tea-colored well water may indicate tannins, but color alone cannot tell you which treatment system to buy. Iron, manganese, sediment, and combinations of…
  6. How to Test pH Level in Water: Strips, Meters & Results A practical, repeatable way to measure your water’s acidity.
  7. Filtered Water for Kombucha: How to Choose and Treat Brewing Water Filtered tap water is generally suitable for kombucha, but filtration is not universally required. Potable tap water may also be usable when you know how the…
  8. Certified RO Systems Can Reduce Lead The certifier's current listing must match the exact model, and its Performance Test Data Sheet must explicitly name lead reduction.
  9. Does New York Have Hard Water? The Source Decides NYC is generally soft to moderately hard. The classification can change with the use and blending of Catskill/Delaware and Croton water.
  10. 5-Micron Water Filters: Nominal vs. Absolute Two cartridges labeled 5 micron can still capture different amounts of sediment, making the label alone an unreliable way to compare products.
  11. Water Filters for Chloramine Need Exact-Model Evidence Catalytic carbon is the common starting point. Decisive evidence is exact-model performance at a tested flow, concentration and capacity endpoint.
  12. DI Resin: How It Works but What It Misses Resin life is not a fixed number of gallons or months. Replace or service it when confirmed output exceeds your application's limit.

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