Taylor R0012C #12 2 oz Hardness Reagent 1 electronics3 Be sure to add one

Be sure to add one to all your first aid kits

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Sticks great on food containers and plastic bags

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Taylor R0012C #12 2 oz Hardness Reagent 1 electronics3 Be sure to add oneTaylor R0012C #12 2 oz Hardness Reagent Taylor R0012C 12 2 oz Hardness Reagent Product Features Get the Most out of Your Test Kit Extend the life of your pool or spa test kit with this Hardness Reagent 2 ounce dropper refill. This is an easy to use test reagent for Calcium Hardness, a common water test parameter. Quick & Easy to Use Simply collect your water sample using the comparator and add the appropriate testing reagents to determine the results.