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if you cant afford a high end ph meter I highly recommend ph test drops by general hydroponics they have always worked for me. even if you own a ph meter id still get the drops it never hurts to have a second opinion and the drops are always on point as long as you follow the directions an it will let you know if ur ph meter is within range or needs to be re calibrated.
Bestätigter Kauf: Ja | Artikelzustand: Neu
It works great. I have use it before. It works better than the instrument for me.
Bestätigter Kauf: Ja | Artikelzustand: Neu
I found that the red is more red than anybody else's drops. And the yellow is more yellow than anybody else's drops. And the blues more blue than anybody else has drops. Blah blah blah. Is this good enough???
Bestätigter Kauf: Ja | Artikelzustand: Neu
This product is very easy to use. it quickly shows you the PH of the liquid being tested
Bestätigter Kauf: Ja | Artikelzustand: Neu
This PH indicator works exactly the way I need it to, you can't go wrong using this product I highly recommend to any and all growers.
Bestätigter Kauf: Ja | Artikelzustand: Neu