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gH Test Kit by Sera makes it easy to monitor the total hardness. |
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| 1 Customer Review |
| 5 Star: |
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Average Customer Rating
 4.0
out of 5 100% recommend it to
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Efficient and simple
by
JoeP32582
from
Phoenix, AZ
on
2/20/2009
Recommends it to Friends:
Yes
Nice and simple. One drop equals one degree of hardness. The color changes abruptly so no more guessing. Why cant more tests be this efficient?!
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