ZRDR Glass Drop Checker Kit with 15ml Co2 Checker Solution The Most Accurate Monitoring of Planted Tank Co2 Levels JARDLI or strontium which usually tend

or strontium which usually tend to precipitate with increasing alkalinity

model number: 33G

water hardness

Brand: TEKCOPLUS

save your time and money from long trip to local shop

ZRDR Glass Drop Checker Kit with 15ml Co2 Checker Solution The Most Accurate Monitoring of Planted Tank Co2 Levels JARDLI or strontium which usually tendBrand: ZRDR Features: More Convenient The mixed carbon dioxide drop checker solution does not need to consider the ratio of water to solution, just use it directly, convenient and fast How To Read co2 Drop Checker When your co2 is off the drop checker solution will be a deep blue color. After co2 has been on for around 30 minutes you should notice the color change. The optimal co2 concentration will be at 30ppm which will be a green light green color.