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6 Reviews
5 star:
 (4)
4 star:    (0)
3 star:
 (1)
2 star:    (0)
1 star:
 (1)
 
 
 
 
 
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1 of 1 people found the following review helpful:
5.0 out of 5 stars Works, seems to be accurate.
How do you review a calibration solution? Heh. Well, it worked and seems to be, as marked, exactly 7.0. It seemed to be a bit expensive, especially since you're not supposed to re-use the solution once you've stuck the pH tester in it. Use a small, skinny glass!
Published 3 months ago by Paul Ellsworth

versus
1.0 out of 5 stars Soak package!
Went to the mail box and retrieved a soaked package.. containing an empty bottle! The cap was never completely screwed on! All of this mess could have been avoided with a simple seal on the bottle!
Published 3 months ago by J. Timmermann


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1 of 1 people found the following review helpful:
5.0 out of 5 stars Works, seems to be accurate., October 19, 2011
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This review is from: General Hydroponics pH 7.0 Calibration Solution - 8 Oz
How do you review a calibration solution? Heh. Well, it worked and seems to be, as marked, exactly 7.0. It seemed to be a bit expensive, especially since you're not supposed to re-use the solution once you've stuck the pH tester in it. Use a small, skinny glass!
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1 of 1 people found the following review helpful:
5.0 out of 5 stars A must have for the digital ph meters, June 20, 2011
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Sir Spends A Lot (nunurbizness, usa) - See all my reviews
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This review is from: General Hydroponics pH 7.0 Calibration Solution - 8 Oz
Once in a while you got to see if your PH Meter is on point and this calibration solution works great. Very easy to use.
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5.0 out of 5 stars It is what it is, January 12, 2012
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This review is from: General Hydroponics pH 7.0 Calibration Solution - 8 Oz
I don't know what can really be said about a product like this. It is a PH 7.0 solution for calibrating your digital ph tester. It works and is necessary.
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5.0 out of 5 stars Useful, December 23, 2011
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This review is from: General Hydroponics pH 7.0 Calibration Solution - 8 Oz
This is a very easy to use buffer solution that I needed for my pH meter.

Reliable and repeatable results.
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1.0 out of 5 stars Soak package!, October 28, 2011
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J. Timmermann (chicago suburbs) - See all my reviews
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This review is from: General Hydroponics pH 7.0 Calibration Solution - 8 Oz
Went to the mail box and retrieved a soaked package.. containing an empty bottle! The cap was never completely screwed on! All of this mess could have been avoided with a simple seal on the bottle!
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2 of 30 people found the following review helpful:
3.0 out of 5 stars not very high quaility, April 1, 2011
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This review is from: General Hydroponics pH 7.0 Calibration Solution - 8 Oz
seems to be hard to stay down it raises stuff fine but unstable for lowering if not used that day
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This product

General Hydroponics pH 7.0 Calibration Solution - 8 Oz
General Hydroponics pH 7.0 Calibration Solution - 8 Oz by General Hydroponics
$8.85
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