Sep 1, 2004 #1 V vega Aquarium Advice FINatic Joined Sep 4, 2003 Messages 607 Location Malaysia Anyone know any NO3 testkit that test within 0-15 ppm accurately? Most i seen is between 0-40 ppm where they only show 0-5, 5-10, 10-15, etc ppm. TIA
Anyone know any NO3 testkit that test within 0-15 ppm accurately? Most i seen is between 0-40 ppm where they only show 0-5, 5-10, 10-15, etc ppm. TIA