Dan S.
Verified Purchase
April 21, 2016
I bought the 4.0 and the 7.0 and they work just fine but, I was a little disappointed to see that these bottles have to be used up within 3 months or discarded once they've been opened, (according to the label anyway). While I use my Bluelab meter a lot, I don't use it nearly as much as some people do, it seems like overkill to calibrate my meter often enough to use up these bottles in that time.
I guess I'll have to look for smaller bottles next time I need some.
richieri1318483
Verified Purchase
March 12, 2021
I would've brought the Atlas solution combo it was cheaper . Since it didn't go though , the price on this was great . I brought the 7.0 @ the grow store , you don't use very much so you get your money's worth . It's used only once a month it'll last 5 or 6 months @ least
Darrell Lemke
Verified Purchase
May 20, 2015
I use nothing but Blue lab for all of my Ph and PPM/EC monitoring and love their consistent accuracy. Got to take care of your equipment and it will last much longer. I use nothing but BlueLab supplies.
Tyler
Verified Purchase
October 21, 2019
Just what I needed. Exactly what's advertised is what you get.
Chase
Verified Purchase
April 04, 2023
Package arrived unopen with no visual damage or leaks!
Peter Hackett
Verified Purchase
February 26, 2015
I would recommend. Great for my home organic herbs.
KImberly
Verified Purchase
September 05, 2017
It does what it says will do. It works perfectly.
Joan P.
Verified Purchase
August 30, 2015
Worth every cent. Calibrate monthly (minimum).
Robert Hollen
Verified Purchase
December 16, 2018
product as it was supposed to. No problems
Robert K.
Verified Purchase
October 09, 2016
What can I say it's calibration solution
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