If you’re cloning, once you have your clone ready with rooting hormones, place it in the rockwool. If you want to completely avoid these algae, you’ll need to keep the substrate completely out of the light like in this picture. This will also prevent the appearance of algae on the rockwool cubes. We don’t recommend watering too much or having constant water, as the roots need an opportunity to take advantage of the extra space and air that rockwool provides. It’s important to control how much you water and humidity at this point. Once the roots are out of their seeds, you can move them to your rockwool cubes and begin growing. We usually recommend germinating using a plastic container and some kitchen paper. Once the pH is under control, you’ll need to move on to germination, cloning or growing. This pH level is important because it lowers the original pH from 7 to 6, allowing the plants to absorb all of the nutrients right from the start. The first thing you’ll need to do once you have the rockwool is let it soak in water, preferably with a pH of around 4.5-5. So, when you first begin growing in rockwool you might be a bit confused on how things work. The biggest advantage that rockwool has over coco coir or soil is that it is an extremely airy substrate with allows you to grow abundant harvests without having to transplant and possibly damage the roots. Rockwool slabs are bags that measure 100 x 15 x 7,5 that contain rockwool. You can get larger cubes, 10x10圆.5cm, perfect for growing in both rockwool slabs and with the Gi Grow Wheel. First, there are little 5x5x5 cubes used for germinating or clones, although it’s recommended to grow clones on a tray with 77 or 150 cavities, as it’s much more organized, or you can grow them in rockwool slabs as well. You can find various formats of rockwool to grow in. This means that when you water this plant you’re going to need to fertilize it with the necessary nutrients so that your plant can grow vigorously and strong. Growing in rockwool is a sort of step towards hydroponic growing, as they’re both inert substrates meaning that there’s no organic material decomposing.
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