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Professional Deionized Water Products

High-purity ASTM-certified water for professionals and hobbyists who demand spot-free results.

ASTM Type II Deionized Water - 1 Gallon
Best for Cleaning

Type II DI Water (1 Gallon)

$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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ASTM Type II Deionized Water - 32oz Spray
Household & Specialty

Type II DI Water (32oz)

$10.99

Ideal for small-scale applications like jewelry cleaning, camera lenses, CPAP machines, and high-end household appliances.

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ASTM Type II Deionized Water - 4 Pack
Best Value

Type II DI Water (4-Gal Pack)

$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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ASTM Type I Deionized Water - 1 Gallon
Ultra-Purity

Type I Ultrapure Water (1 Gal)

$27.50

The highest purity level available (18.2 MΩ-cm). Essential for electronics cleaning, medical/dental sterilization, and precision painting prep.

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Choosing the Right Purity Level

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