High-purity ASTM-certified water for professionals and hobbyists who demand spot-free results.
$17.50
The professional's workhorse. Perfect for window cleaning, auto detailing final rinses, and solar panel maintenance. ASTM D1193 certified purity.
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$10.99
Ideal for small-scale applications like jewelry cleaning, camera lenses, CPAP machines, and high-end household appliances.
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$59.50
Save 25% with our 4-gallon bulk pack. Recommended for regular fleet washing, boat detailing, and commercial kitchen use.
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$27.50
The highest purity level available (18.2 MΩ-cm). Essential for electronics cleaning, medical/dental sterilization, and precision painting prep.
Buy Now →While both Type I and Type II deionized water deliver spot-free results, certain applications require the extreme purity of Type I.
| Feature | ASTM Type II (Cleaning Grade) | ASTM Type I (Ultrapure) |
|---|---|---|
| Resistivity | > 1.0 MΩ-cm | > 18.2 MΩ-cm |
| Typical TDS | < 0.5 ppm | < 0.02 ppm |
| Window/Auto Cleaning | ✓ Recommended | ✓ Overkill |
| Electronics Cleaning | Partial | ✓ Required |
| Medical/Lab Use | General Purpose | ✓ Critical Apps |
| Spot-Free Performance | ✓ Perfect | ✓ Perfect |