Sera gH-Test makes it easy to monitor the total hardness of tank water.
This reliable test produces very accurate results, and is eady to read for both hobbists and professionals.
Made in Germany
Size:
15ml
Usage Guidelines:
Rinse the tube several times with water to be tested and then fill it up to the sign of 5 ml. Dried the tube externally. The reagent is added in drops. E 'need shake the tube after each drop added until the color changes from red to brown and the last straw to a dark green. The number of drops used is the total water hardness (degrees dGH), pe 5 drops = 5 degrees dGH.
Clean: Before and after each test is necessary to clean the tube thoroughly with tap water.
*Product image and information are correct at the time of publishing on this website. For the most accurate information and image, please refer to the actual product.