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200ppm Calcium standard in ultrapure water (30mL) to calibrate your tests or test old reagents.
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Salt Standard, 4000ppm, 30mL
A carefully prepared water sample (30mL) with 4000ppm of Salt for ensuring the Salt Detection Test reagents are working correctly.
Total Alkalinity Standard, 100ppm, 30mL
100ppm Total Alkalinity standard (30mL) will help you know if you are performing the TA test correctly.
CYA Standard, 50ppm, 30mL
Make sure you are performing the CYA test correctly with this water sample (30mL) containing 50 ppm CYA.
pH Standard, pH7.2, 30mL
A carefully prepared water sample (30mL) at pH 7.2 for calibrating tests.