rejuvenates Old & Tired Soilencourages Better Cropsimproves Nutrient Levels 100% Freshly Crushed & Finely Screened, Ancient Rock From Scotland Containing The Full Range Of Minerals & Trace Elements To Help Produce Fertile Soil & Compost & Healthy, Health Giving Plants.just Sprinkle A Handful Per Square Yard On A Still Day Or Any Time Of Year When The Ground Is Not Frozen.replenishing Macronutrients, Micronutrients & More Than 30 Trace Elements In Your Potentially Exhausted Soil Organic Volcanic Rockdust Re-mineralises & Re-fertilises The Soil Itself.winner Of The Best Retail Product 2015 & A Finalist In 2016, Remin Gives You Stronger, Healthier Trees & Plants & Better Vegetable Harvests Whatever Size Your Garden Or Allotment. this Helps Beneficial Microbes To Flourish Around The Roots Of Your Plants. ideal For Compost Heaps & Wormeries It’s Approved By The Soil Association Society & The Organic Farmers & Growers Society. a 10kg Bag Will Cover 20 Square Metres.