SERA NITRITE(NO2)- TEST(15ml)

Features:Nitrite (NO2) is among the most toxic substances for fish in aquariums. It can enrich in the water in case of insufficient biological filtration.The sera NO2-Test allows monitoring the nitrite level in fresh and marine water easily and reliably.Made in GermanySize:15mlUsage Guidelines:Rinse the tube several times with water to be tested and then fill it up to the sign of 5 ml. Dried, then, the tube externally. Respectively, add 5 drops of reagent 1 and 2. Close the tube with its cap and shake it. Remove the cover. Compare the color after 3-5 minutes, putting the tube on the chromatic scale, looking down from the light of day but not in the presence of sunlight.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.