General Hydroponics GH1514 Ph Control Kit
by Hydrofarm
List Price:
Our Price: $12.99
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Category: Lawn & Patio
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Product Details
Manufacturer: HydrofarmBrand: General Hydroponics
Edition: Lawn & Patio
Model: GH1514
Publisher: Hydrofarm
Studio: Hydrofarm
Music Label: Hydrofarm
Product features:
- General hydronics Ph control kit
- Contains ph up which add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level
- Contains ph down which uses food grade phosphoric acid to lower the pH to the proper level
- Designed to work superbly in hydroponic environments as well as with both soil-less mixtures and soil grown plants
- Measures 47.6-inch in length by 3-inch in width by 3-inch in height
Description of General Hydroponics GH1514 Ph Control Kit
Ph control kit contains ph up which add a little at a time when your nutrient pH is too low in order to raise the pH to the proper level, Contains pH down which uses food grade phosphoric acid to lower the pH to the proper level and also contains 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. Measures 4.8-inch length by 2.7-inch width by 5.8-inch height.Tools and Hardware Reviews of General Hydroponics GH1514 Ph Control Kit
Customer Review: Just what you need if you don't have a meter
Summary: 5 Stars
I bought this pH test kit instead of a digital pH meter. A good digital pH meter is fairly expensive and a cheap meter could have questionable accuracy. Plus, I have had experience using digital pH meters at work a few years ago, and they are just hard to deal with, not as far as using them, they are easy to use to test the pH of something, but they can easily fall out of tolerance and need to be calibrated, you don't necessarily know when the reading is off and it needs to be calibrated, as in the pH measurements you've been getting were wrong for a while and you didn't know it, the probes have to be kept wet or not depending on the model of meter, not to mention they are a sensitive electronic device and you have to just be careful with them.
So therefore, I got this pH test kit and it works great. Sure, it's a regular test kit and doesn't give you the absolute exact pH like a meter would, but if you need the pH of something to be in a particular range, as in water or nutrient solution for plants, this will certainly do the trick.
But I have to say that whatever you test probably needs to be clear or close to it, since you fill a vial half full and then put 3 to 5 drops of pH testing solution to observe the resulting color change to get the pH. In other words, I'm thinking you may not be able to test the pH of Kool Aid or tea or something, but water or water mixed with plant nutrients where the color is only slightly changed would be fine.
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