The 7 Best Aquarium Test Kits

This wiki has been updated 15 times since it was first published in October of 2016. Keeping an aquarium in your home or office adds a focal point that is both handsome and fascinating. However, tropical fish ownership can be an involved undertaking that requires research and regular maintenance. You can save yourself time and help keep your aquatic friends healthy by using one of these test kits, which evaluate everything from pH levels to magnesium concentrations. When users buy our independently chosen editorial picks, we may earn commissions to help fund the Wiki. Skip to the best aquarium test kit on Amazon.

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Top 7 Aquarium Test Kits

7. Nutrafin Phosphate

When the growth of algae becomes a concern, the Nutrafin Phosphate can help you track the phosphate levels and keep it below 1 milligram per liter. It’s suitable for fresh or marine tanks and contains enough for 75 samplings.

  • Base keeps everything upright
  • Includes a pipette
  • Test tube cap can leak


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6. Red Sea Reef Foundation Pro

The Red Sea Reef Foundation Pro is a must-have for anyone who wants to properly maintain and grow a miniature coral reef in their tank. Included are tests for everything from calcium and magnesium levels to alkalinity measurements.

  • Protective hard-shelled case
  • Helps with proper supplement dosing
  • Time-consuming option


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5. Seachem Multi Test Copper

As the name suggests, the Seachem Multi Test Copper evaluates copper levels with an accuracy rating of 0.01 milligram per liter. Copper is used as an algicide or to kill off parasites, but in too great a concentration, it is harmful to fish as well.

  • Reference test for validation
  • For salt and fresh water
  • Rather complicated to use


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4. Tetra Easy Strips

For a fast and basic assessment of your tank’s chemical levels, the easy-to-use and affordable Tetra Easy Strips are a fine choice. The company also provides an app for your smartphone that can evaluate a snapshot of your readings.

  • Results in one minute
  • Color guide hidden under the label
  • No salinity test included


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3. Salifert Combo

The Salifert Combo provides three important metrics that should be monitored if you have a marine environment that includes coral. Proper calcium and alkalinity levels are needed to form the skeletal material, and the correct magnesium concentration helps it to grow.

  • Sharp contrasting color changes
  • Detects small variations
  • Included syringe is cheap


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2. Red Sea Marine Care

The Red Sea Marine Care will monitor the primary elements you need for the setup and maintenance of a healthy saltwater tank. Included are the supplies to evaluate levels of nitrate, nitrite, ammonia, pH and alkalinity with pinpoint accuracy.

  • Comes with a storage case
  • Simple clear instructions
  • Highly consistent readings


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1. API Freshwater Master Kit

The API Freshwater Master Kit comes with enough supplies to conduct over 800 tests, so it’s a smart choice for a facility with multiple aquariums to monitor, or for the home that wants to make sure it is well stocked for a long period of time.

  • Includes 4 glass test tubes
  • Also available for saltwater tanks
  • Laminated reference chart


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