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Description
optimum ph for herbicides General Hydroponics pH Control KitGeneral Hydroponics pH Control Kit contains 8 oz of GH pH Up, 8 oz GH pH Down, 1 oz of the GH pH Test Indicator and a test vial. GH pH Up Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level. GH pH Down Uses food grade Phosphoric acid to lower the pH to the proper level. GH pH Test Indicator fill a test tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the
General Hydroponics pH Control Kit contains 8 oz of GH pH Up, 8 oz GH pH Down, 1 oz of the GH pH Test Indicator and a test vial.
- GH pH Up - Add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level.
- GH pH Down - Uses food grade Phosphoric acid to lower the pH to the proper level.
- GH pH Test Indicator - fill a test-tube halfway with nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial. Use 3 drops per 5mL of solution.
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- We offer a 30-day return/exchange service after receiving.
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4.3 ★★★★★
Based on 1820 reviews
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Product Reviews
★★★★★ 4
Used Watch?
Color: Black/Gray/Digital
The watch is great but the watch had been worn. The protective film was removed and it was loose in the watch box and not on the plastic holder. I bought a new watch not a used one.
Joe
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Reviewed in the United States on July 21, 2025
★★★★★ 5
Husband's favorite work watch
Color: Black/Black/Digital
Nice, men's work watch, heavy-duty and professional grade. This is my husband's fifth one, he loves them...
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Reviewed in the United States on December 3, 2025
★★★★★ 1
My last Timex and why.
Color: Black/Gray/Digital, Color: Black/Gray/Digital
New edit. Upon further reflection, I’ve only had, a couple of exploratory years with Swatch excepted, Timex watches.
My first one was when my mother replaced the Chicita Banana “tickity tock” sticker with a real Timex wind up watch before my first Cub Scout camp.
In addition to many other Timex products, I’ve had these Ironman watches for the past 25+years. Usually the band wears out and can’t be replaced after three or four years. This particular watch fell apart less than six weeks old. It wasn’t hit by impact. It just came apart while I was driving down the road. I wonder if they’ve changed their manufacturing process. See photo for details. What is truly infuriating is that rather than replacing it, because it is truly a warranty issue, the told me to ship it to their offshore repair facility (which could take 3-5 months) and pay what might be half the value of the watch. Things happen, but the intentional friction they have created to avoid their obligations borders on malpractice and speaks to their indifference toward customer experience and subsequent lifetime value.
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Reviewed in the United States on September 4, 2025
★★★★★ 5
Good watch
Color: Black/Black/Digital
Bought for my 8 yo, durable
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Reviewed in the United States on October 19, 2025
★★★★★ 5
As expected
Color: Gray/Gray/Digital
Just an old school digital timex. Tried and true. Has both 12hr and 24hr function on the time setting. Has a standard stop watch and timer. The battery is great, just as it always is on a timex. Good water resistance and very easy to use. Overall very good watch for the price!
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Reviewed in the United States on July 6, 2025