1,386 Reviews

General Hydroponics GH1514 General Hydroponics Ph Control Kit

$ 12 59 – $ 36 89

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Features & details

Product information

ASIN

B077CLKG3B

Customer Reviews

4.6 out of 5 stars 1,386Reviews

About this item

Product information

ASIN

B077CLKG3B

Customer Reviews

4.6 out of 5 stars 1,386Reviews

Date first available at Amazon.com

November 12, 2017

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Customer Questions

Q: I want the ph down only and would never need ph up. How can I buy just the single bottle o…

A: No do not use vinigar it will make a slime

Gabe | 3 years ago

Q: What is the chemichal composition of the pH up and pH down?

A: Down contains phosphoric acid, citric acid, and mono ammonium phosphate
Up contains potass…

Arthur G. King Jr. | 4 years ago

Q: even if i just need to lower the PH is it important to add a little of the PH up along wit…

A: No you only need to use whichever achieves the desired ph

Harry | 3 years ago

Q: Would the potency degrade if I left it in an open container? I am trying to automatically…

A: Yes keep it air tight..

Amazon Customer | 8 months ago

See all 98 answered questions

Customer reviews

1,386 customer reviews

4.6 out of 5 stars

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Read reviews that mention

kit test plants solution meter drops bottle control hydroponics tester digital testing bottles general adjust accurate nutrients chart vial level

Top reviews

Verified Purchase

Works great. primarily use it to lower the pH. My tap water's ph is 7.0 and a little cap of this brings down 4 gallons to 5.0. Just don't add a lot. Add a lttle and check the...

ByRz

Verified Purchase

Not really much I can say about this product except that it works, does exactly what it is supposed to do. I only wish that the lids were a bit different and that maybe they...

Bysmccllm

Verified Purchase

Works as expected. Didn't have to use a lot of drops to bring PH down. Haven't really used the PH up. Testing kit is great and easy to use. Readings are on the bottle to let...

Bymichael cummings

Verified Purchase

works very well with adjusting my PH in the water. I have to nutrients I feed to my garden plants and usually my PH drops below 500. with the PH up, all better. Only problem...

ByRick

Verified Purchase

Works great to control PH of water. I found the testing system that comes with this to be too difficult for me to use though, as I am not good at telling where the color of...

ByRed Star

Verified Purchase

Wasn't sure if this would help but it must be helping . I was told that the roots on my plants had nutrient lock out from unbalanced PH in my water . This is easy to use and...

Bymack6921

Verified Purchase

Perfect for adjusting pH before feeding your plants. After adding nutrients to your water it's hard to balance the pH levels unless using something like this.

All...

BySchoner

Verified Purchase

The shipment arrived promptly. Well packaged, no leakage or other issues. The product is simple to use. I test the water with nutrients, correct as needed and so far my...

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