Best MG test kit. By Brian on 3/30/2015
Brian would recommend this product to a friend
The Red Sea MG test kit is the best on the market. You can't beat the accuracy nor the price for the refills.
The best mg test kit out there By David on 10/25/2013
David would recommend this product to a friend
By far the most accurate mg test kit on the market for hobbiest use.
it's all about timing By Ryan on 8/22/2013
Ryan would recommend this product to a friend
you have to follow the directions exactly in order for it to work. Add a drop then swish for 15 seconds then add the next, repeat 5 times.
Great price By Miguel on 4/23/2012
Miguel would recommend this product to a friend
Love this product..was affraid of having to pay so much juay for refills, but then I saw thier prices...great!