An accurate and economical liquid test kit. Tests for 4 key parameters in reef aquariums: Calcium, Carbonate Hardness (KH), Phosphate and Nitrate. Unique, clear dome packaging is waterproof, space-efficient and makes contents easy to see.

• Includes laminated, computer-calibrated colour card 
• 4 glass test tubes with snap-tight caps and easy-to-read instructions
• information on how to correct unsafe water conditions. 
• Liquid reagent bottles include child-resistant safety caps.