Canadian owned·Canadian-made water systemsHonest Water systems, built in Barrie, Ontario
Hard water? You already know. Buy a softener online. Locally owned in Keswick, Ontario

Water Treatment Tips for Keswick and Lake Simcoe Homes

What is in your water, what matters, and how to fix it. Written by the people who test it.

Latest articles

Tips from our team

Otto the Honest Water otter reading a water test strip at the kitchen sink with two homeowners
Know Your Water ·

What's Actually in York Region Tap Water?

Hardness, chlorine, lead, PFAS and pharmaceuticals: what York Region's own reports show, what matters, and what does not.

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Otto the otter floating on his back holding a hardness test strip, with the words Hard water? Otto will tell you
Whole Home ·

Water Softener vs Water Filter: Which One Does Your Home Need?

They solve different problems. Here is how to tell which one your water is asking for, and why many homes end up with both.

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Otto the otter holding a water sample beside a rural well head, with the pressure tank in the pump house behind
Well Water ·

Iron and Sulphur in Well Water: Why It Happens and How We Fix It

Orange toilets, brown laundry and a rotten-egg smell are the three most common well complaints in York Region. Here is what causes them and the chemical-free fix.

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Otto the otter with a wrench under a kitchen sink beside a reverse osmosis drinking water system
Drinking Water ·

PFAS and Pharmaceuticals in Drinking Water: What Works and What Doesn't

Forever chemicals and drug residue are in trace amounts in many supplies. Pitcher filters do not reliably remove them. Reverse osmosis does. Here is the honest picture.

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Otto the otter holding a dirty filter cartridge and a clean one in a basement next to a softener and filter housing
Maintenance ·

How Often Should You Change Your Water Filters, Lamps and Media?

Sediment cartridges, carbon, RO membranes, UV lamps, iron media and softener resin each have a service life. Here is a realistic schedule, and why the number on the box is only a starting point.

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Otto the Honest Water otter reading a water test strip at the kitchen sink with two homeowners
Well Water ·

How to Test Your Well Water in Ontario

Ontario offers free bacteria testing for private wells. Here is how to use it, what it leaves out, and when your well should be tested.

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Otto the otter holding up a well water sample tube beside a private well head at a rural home
Well Water ·

Buying a Home With a Well in Ontario: What to Test Before You Close

A house on a well comes with its own water supply, and nobody tests it but you. Here is what to check before closing, what is free, and what to do if a result comes back bad.

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Otto the otter in a red canoe holding up a jar of lake water, with a lakeside cottage behind
Lake & Cottage ·

Can You Drink Lake Simcoe Water at the Cottage?

Clear lake water is not safe lake water. Here is why untreated Lake Simcoe water should not be drunk, how an intake treatment system works, and how to start one up each season.

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Otto the otter with a wrench checking inside the brine tank of a water softener that needs repair, with a bag of salt on the floor
Maintenance ·

Water Softener Not Working? 7 Common Causes and Fixes

Hard water coming back after a softener has been working fine usually has a simple cause. Here are the seven we find most often, and which ones you can check yourself.

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