40% OFF SITE-WIDE + EXTRA 15% OFF US WATER SYSTEMS & FILTERS | EXTRA 20% OFF PULSAR SYSTEMS | COUPON: DAD18
Water Testing
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Do-It-Yourself Water Hardness Testing Strips - 5 PackRegular Price: $7.00Sale Price: $3.95 -
For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.Regular Price: $8.00Sale Price: $4.95 -
For optimal performance, re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges.Regular Price: $8.00Sale Price: $4.95 -
For use with HM Digital's PH-200 and ORP-200. Always make sure your sensor is kept in an electrode storage solution. If dry, refill the cap with the OP-STOR storage solution.
Regular Price: $10.00Sale Price: $6.00 -
Do-It-Yourself Water Hardness Testing Strips - Bottle of 50Regular Price: $16.00Sale Price: $9.49 -
HM Digital's pH buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life.Regular Price: $17.00Sale Price: $9.95 -
HM Digital's pH buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life.Regular Price: $27.00Sale Price: $15.95 -
The PurTest® Pesticide test detects two of the most Common pesticides used in the US at or below the EPA maximum contaminant level (atrazine-3 ppb and simazine - 4 ppb). Easy, Fast, Accurate. -
Do-It-Yourself Water Free Chlorine Testing Strips - Bottle of 50Regular Price: $28.00Sale Price: $16.95 -
Ideal for all water purification applications, waste water regulation, aquaculture, hydroponics, and colloidal silver. Perfect for both consumer or commercial use. Carry one in your pocket or toolbox at all times!Regular Price: $30.00Sale Price: $18.00 -
RELIABLE IRON BACTERIA TESTSRegular Price: $42.00Sale Price: $24.95 -
RELIABLE SULFUR BACTERIA TESTSRegular Price: $42.00Sale Price: $24.95 -
Professional Grade Precision TDS Meter With Magnetic Back meter with a sleek design that's perfect for today's modern kitchenRegular Price: $50.00Sale Price: $29.95 -
Protect your controllers from dust and water.Regular Price: $50.00Sale Price: $29.95 -
Perform 5 separate arsenic tests with this one kitRegular Price: $50.00Sale Price: $29.95
Commercial Water Testing Meter and Sensors
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Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page.
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You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart.
Our price is lower than the manufacturer's "minimum advertised price." As a result, we cannot show you the price in catalog or the product page.
You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart.
You have no obligation to purchase the product once you know the price. You can simply remove the item from your cart.