This Biological Activity Reaction Test tests for heterotrophic aerobic bacteria. Test kit includes nine tests. The change of blue color indicates a presence of bacteria within that sample. Interpretation is provided with the kit.

The (Salt) Sodium Chloride Test Kit is an easy-to-use drop count titration kit for salt water pools. The salt content of the pool is measured by counting each drop of titrant added to the sample tube. The kit comes in a sturdy, plastic case with two 30 mL salt titrant bottles, one 15 mL chloride reagent bottle, and one clear sample tube with cap.

This kit tests for Low Iron in water using Iron Reagents and the LRC Comparator. Range/Sensitivity is 0.05, 0.10, 0.20, 0.30, 0.40, 0.60, 0.80, 1.0 ppm Fe.

This kit tests for pH using the Octa-Slide 2 Comparator ranging from 7.2 – 8.6 pH.

An abbreviated version of our popular Model AM-41, the new Model HP-1 offers tests for pH and three key nutrient factors: nitrogen, phosphorus and potassium. It allows the hydroponic hobbyist to maintain proper nutrient balance and to achieve optimum growing conditions in soil-less cultures. Reagents sufficient for 50 tests per factor and complete labware are foam-mounted in a sturdy carrying case. Instructions and 75-page hydroponics handbook are supplied.

This kit tests for Phosphonate using the drop count method. Range: 1 drop = 1.25 ppm HEDP, 1 drop = 1.4 ppm PBTC.

Be in control from mash to mug! The BrewLab^® Plus test kit for home brewers allows you to evaluate the quality of one of the most crucial ingredients of a successful beer—the water. Results for 8 water quality factors to allow you to calculate whether adjustments are necessary before you begin brewing. The digital pH meter provides additional information that allows you to monitor progress throughout the brewing process. A link to a popular brewing calculator is included.

Test for 8 Essential Factors

• Chloride
• Sulfate
• Alkalinity
• Total Hardness
• Calcium Hardness
• Magnesium Hardness
• Sodium
• pH