How Can I sterilize my Hydroton Grow rocks so I can safely use them again?
A. To clean and sterilize the rocks soak them in a bath oh h202 and water at a ratio of 1liter – 100 liters of water and leave sit over night. Then rinse the rocks off with hot water very thoroughly. If you really want to make sure there sterilized you can bake them at 250 F but this is a real pain in the ass. The best recommendation is buy more clay rocks. They are cheap and it’s easy to replace so it’s not worth the hassle to bake them. Back To Top • Q. Does using liquid seaweed kelp actually help plant growth? A. Kelp contains over 70 minerals and trace elements and is an excellent source of micronutrients. It is excellent in an organic garden where synthetic chelates cannot be used. It contains many different amounts of hormones, such as cytokinins. Kelp contains high levels of sodium so if your plants are sodium sensitive such as lettuce then use in moderation. Kelp is often used as a foliar spray and is very effective as a foliar spray. Back To Top • Q. What is the purpose of add
