Down To Earth Rock Phosphate Size:5 LB one of them is guaranteed

one of them is guaranteed to give your plants the harvest-maximizing carbs they desperately need whether you use rockwool

with the ability to manage two circuits for a total of 120 fixtures

Hygeia's Hydration can be used for those pesky soils that dry out and will not rehydrate with regular watering

The N-P-K (3-1-2) ratio is recommended by the American Rose Society

Comes with 8-outlet

Down To Earth Rock Phosphate Size:5 LB one of them is guaranteedSoft rock phosphate, or colloidal phosphate, is a natural, untreated source of long lasting phosphate and soil building calcium. Phosphate will remain available across a wide pH range. For best availability, soft rock phosphate should be mixed into soil or compost prior to planting. A superb nutrient resource for all types of plants.