![]() ![]() I like to add 1 drop superthrive/gallon to my ph-adjusted clone water. Heat mats help dry out and warm the cubes. So far all I’ve done is give it a spray down of an ivory soap/water mix to ward off any pests, peel away the blatantly dead growth, and give it 1 liter of ph adjusted water (somewhere around 6. Note: a 24 hour rockwool pre-soak in pH 5.0 water before cloning is important In a grow tent, using a 6 carbon filter and duct fan inside to exhaust into the room. This method should give 85-100% success, with roots showing in 5-7 days and profuse root development in 10 days. Start high nitrogen nutrients when roots have emerged from the bottom of the cube- 1/4 strength for 1st 4-5 days, 1/2-3/4 the next 4-5 days then full tilt thereafter. If excess water drains into the tray they sit in, empty it. Moist is better than saturated for encouraging root formation.ĭo not allow cubes to stand in water. Unrooted clones should just get a little dip 3-5 seconds. Rooted clones (roots are showing from the cube) should get fully soaked for about 15 seconds, as they have the capacity to uptake water rapidly and will use that quantity in 24 hours. ![]() Gently shake out (but don't squeeze) excess water. Immerse the cube halfway into a bucket of pH adjusted (5.0) water for a few seconds. In most cases, especially when using a seedling warming mat, they will require water once every 24 hours. To start the Sprouting Phase, you are going to add water to the container, plant the seeds in the Rock Wool Cubes. When weighing a cube with a clone, subtract the estimated clone weight and dry cube weight from what is measured to closely estimate water available in the cube. When using this approach with clones, you'll have to guess the weight of the clone- perhaps 10-25g depending on the size of the cuts. Once you have done this a few times, you will be able to estimate the weight and need for water by feel. Your cube needs water when weight drops to 20-40% of saturated weight. You now know how much water is in the cube when fully saturated (1g=1ml). Subtract the weight of the dry cube from the wet one. To get watering of rockwool cubes absolutely right, use scales. How do I know if the rockwool cube requires watering? ![]()
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