What it does for your water
The RKIN OS10 Salt-Free Water Conditioner is a salt-free TAC conditioner. Its listing gives a flow rating of 15 GPM.
Salt-free systems don't remove calcium or magnesium, so the water won't feel softer and a hardness test will read the same. Makers describe them as reducing scale.
From the listing: connections 1" mnpt; sized by the maker for 4-6; model OS10; flow 15 GPM.
Is it the right unit for your house?
Choose it when
- Homes that can't add salt or a drain
- Slowing scale on heaters and faucets
Pass on it when
- Soft-water feel or soap savings
- Iron or manganese problems
Where it wins and where it loses
Wins
- No salt, no drain line
- 15 GPM flow
Loses
- Doesn't remove hardness
- Effect varies with water chemistry
- Media needs periodic replacement
Limits to know about
- Figures are the maker's or seller's own; check fit and capacity against your water test and your equipment's manual.
Maker's figures
Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.
| Model number | OS10 | Retailer |
|---|---|---|
| Service flow (maker) | 15 GPM | Retailer |
| Pipe connection | 1" mnpt | Retailer |
| Household (maker) | 4-6 | Retailer |
Units to weigh against it
Other salt-free conditioners in the catalog
Final verdict
A sound salt-free TAC conditioner for homes that can't add salt or a drain.
Where to buy
Our links open this exact model's product page. Prices and stock change; check what's included before you order.
Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure