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Bump @randyBRS just confirming this is the one?
Total Chlorine Ultra Low Range Colorimeter HI761 Hanna Checker - Fresh Water
Four simple steps to results. Easily and accurately test for ultra-low range total chlorine in with the Hanna Checker Colorimeter - Total Chlorine Ultra-Low Range (HI 761). Designed to be more a more accurate alternative to chemical test kits. First, add sample to the included cuvette. Next...www.bulkreefsupply.com
Thanks guys! Order has been placedThat's correct! Total chlorine is what you'll want to measure if you know your source water has chloramines