The Nitty Gritty Soil Science kit is a great introduction to the basic concepts of soil science. Instructions for cool science experiments and Just for Fun activities, games, and internet connections are included.

Investigate healthy plant requirements for proper soil texture, ideal levels of soil pH, and nutrients. Learn to properly care for plants and perform pH, nitrate, phosphate and potassium soil tests using non-hazardous TesTab methods. Reagents for ten tests for each test factor are included. Make friends with earthworms and discover the importance of composting! Recommended for green- and dirty-thumbs ages 8 and up.

This Dual Range Chlorine Test Kit tests for high and low ranges of chlorine using the Octa-Slide 2 Comparator. Low range: 0.1-1.0 ppm Cl. High range: 1.0-6.0 ppm Cl.

For control of water supplies, cleaning operations, and rinses.

Seven important factors for monitoring incoming water supplies, break, suds and bleach operations; also rinse and sour operations. The pH (alkaline) test uses a LaMotte Octa-Slide 2 Comparator. The alkalinity tests, chlorine bleach and hardness test utilize dropper pipet test methods. Reagents are supplied for 50 tests of each factor.

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.