Crystal Quest Thunder 1000C Ultrafiltration Reverse Osmosis Under Sink Water Filter
Twelve stages pairing ultrafiltration with RO, on a 50 GPD membrane and a 3.2 gallon stainless tank.
$298
Usability
Running a 0.2 micron ultrafiltration membrane and an RO membrane in the same chassis is unusual, and it is the reason this system exists: UF handles bacteria, protozoa and colloids without wasting water, and the RO membrane handles dissolved solids the UF passes straight through. The 3.2 gallon stainless pressurised tank is a real upgrade over the steel-and-bladder tanks typical at 300 dollars, and the membrane is swappable up to 100 GPD with arsenic, nitrate and fluoride cartridges available for the same body. Crystal Quest recommends but does not include a leak detector valve, and says so plainly, which is more candour than most under-sink RO sellers offer. The stainless faucet option was listed as unavailable at the time of writing. There is no NSF/ANSI 58 listing, so the twelve-stage architecture is verifiable from the parts list and the performance is not.
- Ultrafiltration and reverse osmosis membranes in the same chassis
- 3.2 gallon stainless pressurised tank rather than a bladder tank
- Membrane upgradeable to 75 or 100 GPD, cartridges swappable for arsenic, nitrate or fluoride
- Lead-free long-reach faucet included
- Leak detector valve offered and explicitly recommended rather than buried
- No NSF/ANSI 58 listing, so no reduction figure is verified
- Stainless faucet option listed as unavailable
- No published recovery ratio or drain rate
- No published cartridge or membrane replacement interval
- One-year limited warranty and filter media cannot be returned
An under-sink system running twelve stages that combine ultrafiltration and reverse osmosis in the same chassis, supplied with a lead-free long-reach faucet and a 3.2 gallon stainless pressurised holding tank. The standard build uses a 50 GPD membrane with 75 and 100 GPD membranes available, and arsenic, nitrate, fluoride and remineraliser cartridges can be substituted. A leak detector and flood-prevention valve is offered as an option.
Additional information
Specification: Crystal Quest Thunder 1000C Ultrafiltration Reverse Osmosis Under Sink Water Filter
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