Hydrogen peroxide (H2O2) can be used as a disinfectant in hydroponic systems to kill bacteria and fungus. When added to the nutrient solution in small amounts (typically around 3% concentration), it can also help to oxygenate the roots of the plants and promote healthy growth. However, it’s important to use hydrogen peroxide in moderation, as using too much can be harmful to plants. It can also cause issues if not rinsed thoroughly from the system, potentially causing damage to the plants.
When using hydrogen peroxide, it’s important to follow the instructions on the label and use the correct dosage. A general rule of thumb is to add 1-2 ounces of 3% hydrogen peroxide per gallon of water. Once you added the hydrogen peroxide, run the solution through the system for 15-20 minutes, then drain and rinse the system thoroughly with clean water before refilling it with fresh nutrient solution.
It’s also important to note that hydrogen peroxide can lose its effectiveness over time, so it’s best to add it fresh to the nutrient solution each time you refill the system. Additionally, hydrogen peroxide can be harmful to some plants and can cause damage to the leaves and roots, so it’s recommended to test it on a small group of plants before using it on your entire system.
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