May 1, 2014 #1 Maridia Aquarium Advice Freak Joined Oct 9, 2013 Messages 480 If my kh and gh are both 179, using the API liquid test kit, 10 drops each, what does that add up to in tds?
If my kh and gh are both 179, using the API liquid test kit, 10 drops each, what does that add up to in tds?
May 1, 2014 #2 Ingy Aquarium Advice Addict Joined May 16, 2012 Messages 1,837 Location Comox, BC, Canada Those readings are in ppm. But you can't simply add them up as there is significant overlap in them.