100 plastic chlorine test strips in vial with 0-50-100-200-500-100
0 ppm chart. This strip was developed for use where higher levels of chlorine are required. For sanitation such as daycare facilities & cruise ships.
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100 plastic chlorine test strips in vial with 0-50-100-200-500-1000 ppm chart. This strip was developed for use where higher levels of chlorine are required. For sanitation such as daycare facilities & cruise ships.
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