Aquarium Water Tests & Kits
API Freshwater Master Test Kit
The API® Freshwater Master Test Kit measures the 4 most important levels in freshwater aquariums quickly and accurately, including pH, high range p...
View full detailsAPI Glass Test Tube with Cap
API® TEST TUBES are compatible with any aquarium or pond water test kits and are perfect for testing more water parameters at one time. Option of o...
View full detailsAPI Test Kit Freshwater pH
pH is the measure of acidity of water. A pH reading of 7.0 is neutral. A pH higher than 7.0 is alkaline, and a pH lower than 7.0 is acidic. Main...
View full detailsAPI Test Kit Nitrate NO3
High nitrate levels in your aquarium indicate a build-up of fish waste and organic compounds, resulting in poor water quality and an increase in al...
View full detailsAPI pH Test & Adjuster Kit
A complete kit to measure and adjust pH. Tests pH levels from 6.0 to 7.6 and includes bottles of pH Up and pH Down to modify aquarium water pH to d...
View full detailsAPI Test Kit Phosphate PO₄³⁻
Phosphate can enter your aquarium through tap water, fish waste, and decaying organics such as uneaten food and dead algae. Excess phosphate contri...
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