- YELLOW REFILL #1 - Chlorine/Bromine Test Refill Bottle for testing Chlorine in your pool.
- RED REFILL #2 - Ph Test Refill Bottle for testing the PH level in your pool.
- WHITE REFILL #3 - Indicator Solution Refill Bottle for acid demand and alkalinity tests.
- GREEN REFILL #4 - Chlorine Neutralizer Refill Bottle to neutralize the chlorine in a sample of water prior to testing ph or alkalinity.
- BLUE REFILL #5 - Total Alkalinity Test Refill Bottle for testing total alkalinity in your pool.
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