Fritz Alkalinity Test Kit

Overview

The Fritz Alkalinity Test Kit measures carbonate hardness (KH) so you can keep aquarium water chemistry stable. Because alkalinity buffers pH and supports key biological processes, accurate readings are central to a healthy tank. The kit gives fast, easy-to-read results for reef systems, planted tanks, and larger aquatic setups alike.

Key Features

• Measures carbonate hardness (KH) that drives buffering capacity
• Fast, easy-to-read results without sacrificing accuracy
• Helps stabilize pH and support biological balance
• Works in both freshwater and saltwater aquariums
• Suited to beginners and experienced hobbyists

Specifications

Frequently Asked Questions

What does this kit measure?

It measures carbonate hardness (KH), which reflects alkalinity and buffering capacity.

Why does alkalinity matter?

Stable alkalinity keeps pH steady and supports healthy biological activity in the tank.