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Easy to Use. Easy to Read. Phosphate Test Strips make it easy to keep an eye on your aquarium's water quality. Just dip the strip in your water sample and read the clear color-coded results. These strips offer reliable and accurate readings, letting you act quickly to prevent any potential water quality issues. These Test Strips let you check the following parameters: Phosphate (ppb) Includes 25 test strips per box with test tube and instructions.

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