When keeping freshwater fish and plants, the general hardness (GH) and carbonate hardness (KH) of aquarium water should match their natural habitat. The API® GH & KH TEST KIT helps...
The API® AMMONIA TEST KIT measures ammonia to help prevent fish loss, as ammonia is the number one stressor and killer of tropical fish. Ammonia is released into an aquarium...
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 algae growth. Contrarily, maintaining a low...
The API® pH TEST KIT monitors pH to maintain healthy freshwater conditions in your tank. pH control is imperative to prevent the harmful effects of overly alkaline or acidic aquarium...
NTLabs – Aquarium Lab Multi-Test Kit Reliable Water Testing for Healthy Aquariums Maintain crystal-clear water and a thriving aquarium with the NTLabs Aquarium Lab Multi-Test Kit—your essential tool for monitoring...
Nitrite is produced in the aquarium in the form of fish waste, uneaten food, and nitrifying bacteria in your aquarium’s natural cycle as it breaks down ammonia. Low levels of...
What is KH (Carbonate Hardness)? KH, or carbonate hardness, also known as total alkalinity, measures the buffering capacity of your water—how well it can resist changes in pH. Stable KH...
Understanding Nitrate in Your Aquarium Nitrate is the final product in the nitrogen cycle. It is created by beneficial bacteria that break down the toxic waste products excreted by fish—ammonia...
Understanding pH in Your Aquarium pH is a measure of how acidic or alkaline your aquarium water is. The Broad Range pH Test included in the NTLabs Aquarium Lab Multi-Test...