“Currently using this to grow a Horse Chesnut tree. Seems to be a real good soil its dark & nutrient rich added perlite the tree loves it. The growth rate has definitely increased. It has real good water retention. If your growing special tomatoes in a grow tent you will only Need to water roughly every 3-4 days. The added fertiliser is Organically sourced about a weeks worth. Suitable PH levels are 6.0 - 7.9”