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• Each strip tests total hardness, total chlorine, total bromine, free chlorine, pH, total alkalinity, Cyanuric acid
• Color insert chart included
• 50 test strips

Product Description
AQUACHEK REFILL FOR SELECT POOL TEST STRIPS – 541640br /br / Just dip an AquaChek Select 7-in-1 pool test strip in your pool or spa water for one second and remove it immediately. You get swimming pool water testing results in seconds!br /br / The Select Test Strip Kit (541604) includes a 24-page Pool and Spa Care and Treatment Guide with test log, 50 pool water testing strips and a reusable plastic color comparator.br /br / To keep your pool at its best, test at ea… More >>

Aquacheck Select 7-Way Test Strips with Color Chart Insert

• Innovative and inexpensive soil test kit features an easy-to-use capsule system and color comparators
• Contains tests for ph, nitrogen, phosphorus, and potassium levels; 40 tests in total
• Also has a chart of pH and NPK levels for more than 100 plants
• Simple, fast, and accurate results; no experience required to perform tests
• Includes complete instructions for adjusting soil conditions

Product Description
Helps gardeners grow greener lawns and more abundant flowers, fruits, and vegetables. Testing the levels of pH, nitrogen, phosphorus, and potash takes just 3 easy steps: 1) mix soil with water, pour off liquid after soil settles into the chambers of the color compactor, 2) dissolve tablet, and 3) compare the color for test reading chart that is included in the kit. Kit contains 40 tests; 10 each for pH (acidity alkalinity), nitrogen, phosphorus, and potash. Complete… More >>

Luster Leaf 1601 Rapitest Soil Test Kit

• ISBN13: 9780830641277
• Condition: NEW
• Notes: Brand New from Publisher. No Remainder Mark.

Product Description
Staying away from hard-to-understand theory and mathematics, this practical handbook show you how common devices such as multimeters, frequency and logic probes, signal traces, and oscilloscopes are used. You’ll pinpoint problems in everything from TV sets and computers to automotive electrical systems. A practical, hands-on guide to troubleshooting with electronic test equipment – revised to include current testing techniques and new chapters on mechanical repairs … More >>

How to Test Almost Everything Electronic

• ISBN13: 9780071447249
• Condition: NEW
• Notes: Brand New from Publisher. No Remainder Mark.

Build Your Own Electronics Workshop: Everything You Need to Design a Work Space, Use Test Equipment, Build and Troubleshoot Circuits