Farm-Fos Ltd Tom Nellist, Builth Farm, Eau Withington , Hereford , HR1 3NQ United Kingdom About Solutions products Downloads Companies Farm-Fos Ltd Products 6 products found Products Food Grade Potassium Bicarbonate Now fully approved by the EU for organic use. Food grade Potassium Hydrogen Carbonate. Approved for controlling plant diseases. Available in 25kg bags. AgriSoap - Organic Potassium Salts Traditional Soft Soap. Approved organic potassium salts of natural fatty acids. Free from additives – completely biodegradable. Available in 1, 2.5 or 5 litres bottles. Farm-Fos-44 - Highly Mobile Nature-Identical Nutrients Potassium Phosphite for professionals. Highly mobile nature-identical nutrients for healthy plants. Available in 10 litre drums, or 1000 litre IBCs. AgriKarb - Food Grade Potassium Bicarbonate Now fully approved by the EU for organic use. Food grade Potassium Bicarbonate. Packed in convenient airtight tubs. Available in 10kg tubs. TwinN - Fertiliser Nitrogen for Natural Growing Natural alternative to fertiliser Nitrogen. New N-fixing microbes. Approvedin organic farming. Available in 1 and 5 ha packs. Boraxo - Handcleaner Simply the best antiseptic hand cleaner. Made from flakes of soothing vegetable soap mixed with natural borax and nothing else. Removes grease and grime, but not your skin’s natural oils. Available in 500g tubs.