my nitrate has never been higher then 10 so far... i do 2 tests for nitrate, strip and liquid.
liquid i find is more accurate. both i find are hard to read. colors never match...
ive read they can handle up to about 100-200PPM before it causes permanent damage.
liquid i find is more accurate. both i find are hard to read. colors never match...
ive read they can handle up to about 100-200PPM before it causes permanent damage.