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| Featured Products |
Five tests in one! Measures the pH, hardness, alkalinity, nitrite, and nitrate of both freshwater and marine aquarium water.
$9.95
Availability: In Stock
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Just dip the test strip in the water and get results in 15 seconds. Test for pH when setting up an aquarium or when making water changes or pH adjustments.
$6.99
Availability: In Stock
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This low cost sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are needed.
$6.47
Availability: In Stock
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