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Keep your pool or spa water balanced with these DPD1 test tablets from Pallintest/Lovibond.

This is a big bottle – 250 tablets – so you're set for a while.

They test for chlorine, part of a 4-in-1 system (you can use them with other reagent tablets for full analysis).

Super easy to use: grab a water sample, drop a tablet in, and watch the color change.

Match it to the chart, and you know exactly what your water needs.

Brand new, part number TTT136.

60-day returns if something's up.

Clean water, happy swimming.

4.5 out of 5