Polyhalite Fertiliser | 4-in-1 Mineral (K, Ca, Mg, S) Size:60kg clean coastal waters of the

clean coastal waters of the Scottish Highlands and Islands

unlike EDTA

Pre-fermented so it is biologically active from day one

strawberries and other soft and cane fruit (raspberries

Use sea shell meal to ensure the calcium is there

Polyhalite Fertiliser | 4-in-1 Mineral (K, Ca, Mg, S) Size:60kg clean coastal waters of theOverview The Science How to Use FAQ Polyhalite fertiliser four macronutrients in one Yorkshire mineral Mined in Yorkshire 4 Macronutrients EU Organic Approved Slow Release Chloride Free Recyclable Packaging Polyhalite is a naturally occurring mineral fertiliser that supplies four macronutrients potassium, calcium, magnesium and sulphur from a single Yorkshire crystal. It's mined from beneath the North Yorkshire coast at Boulby the world's only