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SmartGrow Hair Fiber Mat (6-inch)
SmartGrow.net.

2. Soluble Salts Test

The Soluble Salt Test is useful for determining whether the build-up of salts from fertilizers, swimming pool drainage water, deicing salts used on roadways or chemical spills are causing poor plant growth or dieback of foliage (leaf burn). Primarily used for diagnosis of plant problems and symptoms of leaf/needle scorch in dry climates where soluble salt build-up can be a high due to surface evaporation. Also considered a valuable test for potting soils where frequent use of fertilizers can cause salt levels to raise.

Cost: $12.50