Introducing a professional-grade testing kit designed specifically for reef tank enthusiasts and marine aquarists. The Hanna Checker Tray allows you to quickly and accurately measure three essential water parameters: alkalinity, nitrate, and phosphate all in one convenient tray.

• Color Options: From the standard black to vibrant orange a large array of vibrant colours to choose from.

• Complete Testing Kit: Includes three trays molded with color-coded recesses for easy organization, plus indicator reagents for each parameter.

• Perfect for Reef Tanks: By regularly monitoring alkalinity, nitrate, and phosphate, you’ll help ensure optimal coral health, stable pH levels, and low nutrient buildup.

Ideal for: Reef aquarists seeking a compact, efficient tool to stay on top of water chemistry and maintain a thriving marine environment.