How to Adjust pH Of Hydroponic Nutrient Solution

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Proper pH levels are very important with hydroculture gardening. If the pH of the nutrient solution is too high or too low, then the plant will not be able to take in the minerals in the water. pH fluctuations are a regular part of hydroponic gardening, so you will need to know how to adjust the pH of your hydroponic nutrient solution. Luckily it’s an easy process!

What Should The pH Level Be?

The proper pH level for your hydroponic garden depends on what you’re growing, but most plants do well in a pH range of 5.5 and 6.5. For a better idea of the best pH for the type of plant your growing, check out this article on the best pH for your hydroponic garden.

You should measure the pH of your nutrient solution often, starting at once a day until you become more familiar with your garden. If it’s out of range you should correct as soon as possible. Not taking care of the issue will lead to nutrient lockout.

Adjusting Hydroponic pH

What is The Best Way To Adjust pH Of A Hydroponic Garden?

The most effective way to adjust pH is to buy a product that is specifically made to adjust the pH of hydroponic nutrient solutions.

Supplies You Will Need To Adjust Hydroponic pH

pH Meter – There are a few different ways to measure the pH of your nutrient solution, but I prefer an electronic pH meter. View Product
pH Up and Down–  There are several companies that make products to adjust the pH of your nutrient solution, many of them just called pH up and Down. I’m using a pH up and Down from General Hydroponics. View Product

 

Measure The pH Of Your Nutrient Solution

First things first is finding out what the current pH level of your nutrient solution is. There are three different ways to measure the pH of your nutrient solution, if you’re using an electronic pH meter, make sure it’s calibrated to get an accurate reading.

How To Use pH up And Down

Typically it only takes 1-2 ml of pH Up or Down per gallon of water to correct the pH of your nutrient solution. After adding, stir and wait 15 minutes to half hour to test the nutrient solution again. Repeat the process until you in the range of 5.5-6.5 or the desired range for what you’re growing.

What Is Natural Way To Adjust The pH Of A Hydroponic Garden?

So maybe you’re in a situation where you don’t have any pH up and down and it might be a few days. There are some supplies that you probably have around your house as a quick fix until you can get something more permanent.

Household items such as white vinegar or citric acid can be used to lower pH, while baking soda can be used to raise it. The problem with using these household ingredients is that it’s only a short-term fix. This is because the household items don’t contain the pH buffer that commercial products do.

In Conclusion

Measuring pH is something you’re going to become really good at as a hydroponic gardener. To maximize your garden’s potential, measure the pH often.

If you have any suggestions in regards to adjusting pH drop them in the comments below!

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