API pH Freshwater & Saltwater Aquarium Test Strips, slide 1 of 1

API pH Freshwater & Saltwater Aquarium Test Strips, 25 count

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Help keep your fish healthy and thriving by testing your aquarium water's pH regularly with API's easy-to-use pH Aquarium Test Strips. Fish are extremely sensitive to pH levels that are too high, or too low, and an imbalance can cause fish stress, illness and can even lead to fish loss. API's pH Aquarium Test Strips test a wide range of pH levels from 6.0 to 9.0. Just dip a strip directly into your aquarium, and use the color-coded chart to determine if your water is safe or if adjustments are needed. Then follow the recommendations to treat the water—it’s that simple! These test strips are suitable for both freshwater and saltwater aquariums.

Key Benefits
  • Tests a wide range of pH levels from 6.0 to 9.0 in one easy step—simply dip a test strip into the water and read.
  • Highly accurate color charts provide precise test results, identifying problems in your aquarium.
  • Chart colors are distinctive, making test results easy to read.
  • Each purchase comes with 25 strips, so you can perform the aquarium maintenance you need.
  • Superior stay-dry tube ensures testing accuracy.
What's Included

(25) test strips, easy-to-read instructions, information on how to correct unsafe water conditions.

Help lower your aquarium's pH level with API's pH Down or raise it with API's pH Up water treatment.

Help set and stablize your aquarium's pH level with API's Proper pH 6.5, Proper pH 7.0, Proper pH 7.5, or Proper pH 8.5 water treatement.

See all items by API

  • Item Number
  • Aquarium Type
    Freshwater, Saltwater
  • Fish Type
    Tropical Freshwater, Marine Fish, Betta, Goldfish, Marine Invertebrate, Bottom Feeder, Cichlid
  • Read directions thoroughly before testing.
  • Dip strip directly into aquarium.
  • Swirl 2 times.
  • Remove with pad face up.
  • Wait 30 seconds.
  • Compare to color chart on tube.

Do API PH FRESHWATER & SALTWATER TEST STRIPS only test pH levels in water?

Yes, API PH FRESHWATER & SALTWATER TEST STRIPS exclusively test pH levels from 6.0 to 9.0 in freshwater and saltwater aquariums.


Yes. Both API products will alert you if your pH is too high, enabling you to take the proper steps for correction.

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  • 5 out of 5 stars

    i love chewy

    By dawnmm on Feb 27, 2019

    this product is very easy to use and the price was perfect

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