Aquonyx Resource Center
Water treatment, explained by the manufacturer
Practical, technically grounded guides on softening, filtration, reverse osmosis and Clack valve service — written by the people who build the equipment, for the dealers and trade contractors who sell, install and service it on city water.
Browse by Topic
Tools and guides by topic, growing every week
Helpful information for the water treatment industry.
How to Size a Water Softener
Calculator, grain chart, usable-vs-rated capacity and the city-water steps: household size and hardness in, grain capacity and regeneration interval out.
Free toolClack WS1 Error Codes
The complete code table from Clack’s current service manual, the reset for every control, and the check order for each code, on one page.
Complete guideWater Softeners
Sizing, capacity, salt efficiency, and ion-exchange softening explained for professionals and homeowners.
4 guidesReverse Osmosis
How RO works, what affects membrane performance, and how to specify drinking-water systems.
3 guidesWhole-Home Filtration
Matching filtration technology to the water problem and designing multi-stage treatment.
9 guidesInstallation & Service
Installation practice, service planning, and maintaining water-treatment equipment.
1 guideClack Valve Troubleshooting
Every Clack WS1 error code in one complete guide, taken from Clack's current service manual: the code table, the reset for each control, and the check order for E1–E3, Err 101–117 and the unverified 4xx codes. Plus the diagnostics that aren't error codes, like a valve that won't draw brine.
2 guidesDealer Business
Running and growing a professional water-treatment dealership.
17 guidesWater Treatment for Your Trade
How plumbers, HVAC companies, builders, remodelers, roofers and multifamily service companies add a water treatment line — each with a calculator that uses your numbers, not ours.
6 guidesLatest Guides
Newest from the Resource Center
Dealer Business
Who Owns the Brand You're Signing With? What Water Dealers Need to Know About Consolidation
Before partnering with a water-treatment brand, ask who owns it, whether the owner sells to homeowners, and what a buyout changes. Five questions and a checklist.
· 9 min read
Whole-Home Filtration
Carbon + Softener in One Tank or Two? How Dealers Choose for City Water
When a one-tank carbon + softener combo fits a city-water job, when to quote two tanks, and how to size, install and service each. A guide for dealers.
· 11 min read
Water Treatment for Your Trade
Water treatment for property managers and the service companies that maintain their units
For multifamily service companies: add in-unit and small-building water treatment on city water, plan crew days and service visits, run your own numbers.
· 8 min read
Water Treatment for Your Trade
Water treatment for home builders and remodelers: add it while the walls are open
Rough in the loop, add water treatment to the option sheet, and install while the walls are open. A builder and remodeler guide for city-water projects.
· 9 min read
Whole-Home Filtration
How to Find Your Home's Water Flow Rate (GPM Calculator for Dealers)
Estimate a home's peak and sustained GPM by fixture count or bucket test, then map it to 1, 1.5 or 2 cu ft of carbon. Dealer calculator and worked examples inside.
· 16 min read
Whole-Home Filtration
Coconut vs. Catalytic Carbon: Key Differences for Water Dealers
Acid-washed coconut carbon or catalytic carbon for city water? What each media does, where it fits, how to size it, and how to pick from the local water report.
· 8 min read
From the Manufacturer
Learn it here. Sell it as an Aquonyx dealer.
Aquonyx supplies its nationwide network of independent dealers with wholesale pricing, training, and technical support. Apply at no cost.