ISN Solid’as Potash is a flowering enhancer that increases both size and mass significantly. Created in our lab and made from British pharmaceutical grade ingredients; ISN’s Potash is a potassium and phosphorus-based nutrient. This is essential for flower formation and heavy fruit. ISN Solid’as Potash is a must for your flowering cycle, but it can also be beneficial to use as a half strength during the Grow stage. ISN’s own Potash is perfectly formulated for hydroponic systems. It is PH buffered and easy to use.