Intex Krystal Clear QS700 Plus
#4 in Above-GroundFull review
A low-salt system for above-ground pools up to 8,500 gallons, for owners who want a real salt readout and less salt in the water.
Amazon $215.99$215.99
3.1/5
A low-cost salt system for small Intex and similar frame pools up to 4,500 gallons with a small filter pump.
- 4,500 galRated pool size
- 0.2 lb/dayChlorine output
- $115Replacement cell
- 2,500 to 3,500 ppm (ideal 3,000)Salt level
- 2 yearsWarranty
Check price at Amazon$122.99
Price checked October 27, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Costs the least of Intex’s salt systems and plugs into a small pool’s hose line
- Alarms for low salt, high salt and low pump flow
- Replacement electrode is about $115 from Intex
Cons
- Rated for pools up to 4,500 gallons only
- Fits only 1-1/4 in hose connections and pumps of 300-1,000 gal/h
- No salt readout, just high and low salt alarm codes
- 2-year warranty
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its pool type. How we rank explains each one.
Specifications
| Model number | 26663EG / CS3110 |
|---|---|
| Output | |
| Pool type | Above-ground |
| Rated pool size (maker) | 4,500 gal |
| Chlorine output | 0.2 lb/day |
| Salt level | 2,500 to 3,500 ppm (ideal 3,000) |
| NSF/ANSI 50 certified | No |
| Cell | |
| Replacement cell | 12946 |
| Replacement cell price | $115 |
| Self-cleaning | Yes |
| Plumbing size | 1.2 in |
| Controls | |
| Salt level readout | No |
| Cold-water shutoff | No |
| Boost mode | Yes |
| Wi-Fi | No |
| Voltage | 115 V |
| Warranty and models | |
| Warranty | 2 years |
| Warranty terms | Intex 2-year limited warranty on the control unit and the electrode(s), 180 days on hoses and fittings; original purchaser only, the same for every buyer since Intex sells direct and through retailers. Repair or replacement after an Intex service center accepts the claim. |
Alternatives in this pool type
Intex Krystal Clear QS500
#5 in Above-GroundFull review
A budget salt system for mid-size Intex and other above-ground pools up to 7,000 gallons.
Amazon $156.09$156.09
Solaxx Saltron Retro
#7 in Above-GroundFull review
For above-ground pools up to 20,000 gallons whose owners want a salt system without cutting into the pump hoses; the short warranty is the catch.
Amazon $449$449
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