These do not work at all. I tried them in 4 different tanks and they never changed at all. I also tested them to compare to the test strips and a full water testing kit. Worthless!
Verified purchase: Yes | Condition: New
Very easy to use accurate ,seams to work great only have it for a month thou , Really great to just look and know the PH and ammonia
Verified purchase: Yes | Condition: New
Provides accurate readings, as I have compared them with standard test kits.
Verified purchase: Yes | Condition: New
Works great. It's right there to let me know at all times.
Verified purchase: Yes | Condition: New
They never had a correct reading
Verified purchase: Yes | Condition: New
Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Best Selling in Water Tests & Treatment
Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Save on Water Tests & Treatment