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If you're using bromine in your spa make sure you have AquaChek Red on hand. This test strip also tests for total hardness which is especially important for spas and hot tubs.
Tests for:
Total Hardness_ 0-1000 ppm
Total Bromine: 0-20 ppm
Total Alkalinity: 0-240 ppm
pH: 6.2-8.4
If you're using bromine in your spa make sure you have AquaChek Red on hand. This test strip also tests for total hardness which is especially important for spas and hot tubs.
Tests for:
Total Hardness_ 0-1000 ppm
Total Bromine: 0-20 ppm
Total Alkalinity: 0-240 ppm
pH: 6.2-8.4