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Tomato Growers Test Kit

This 4 color-coded test kit contains a single use test for pH, nitrogen, phosphorus, and potash.  Tomatoes will grow in soil with a pH of 5.8-7.0.  A pH around 6.5 is where N, P, K and other trace elements are most available to your tomato. The kit will allow you to determine these 4 important aspects of your tomato gardening.