For the professional aquarist or in-store testing of tap water and aquarium water. sturdy waterproof box includes fast easy and accurate test solutions for ph high range ph ammonia nitrite gh and kh. includes free wallchart and color cards.

Product Details
Fill clean test tube with 5 milliliters of water. add 5 drops of testing solution. cap tube. do not hold finger over the open end of tube as this may affect the reading. shake for 5 seconds. wait 5 minutes for color to develop. read against chart.
Includes four test tubes caps computer-analyzed laminated color charts instructions holding tray and test tube rack.

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