Kind Soil Hot Soil Product 50 lbs. Total Weight (10-5 lb. Bags) ITS TIME TO STOP TRYING AND START GROWING! From the day you plant your clones/seeds until the day you harvest you will never need to add a single nutrient! (you must stay within our recommended veg times for the weight of kind soil used) Our System is completely organic & provides every single nutrient need your medical/vegetable plant will ever require. You will need a properly designed grow environment and proper PH range/de-chlorinated water. We recommend using a water with a PH that is naturally 6.3-7.0 that is the best choice. If your water source has a PH outside of that range, you can adjust your water PH. YOU MUST USE earth juice: citric acid (down) or potassium bicarbonate (up) to adjust your water PH. If you need to adjust your water source PH just get it into the 6.5-7.0 range there is no need to go lower than 6.5. Grow better tasting, smelling and more flavorful flowers with simplicity! Kind soil will bring out flavor, smells and quality you never knew your plants had! visit http://www.kindsoil.com/soil-information---grow-photos.html for more information and our Q&A section.