**Hygen PK Top Up [1L]** PK TOP UP™ is formulated using high quality soluble ingredients which supply additional levels of phosphorus, potassium and trace elements levels during the flowering and fruiting stage. Potassium and phosphorous improve flower and fruit colour as well as enhance the quality and final flavour of the produce. PK TOP UP’s highly concentrated formula means you only need a small dose to achieve fantastic results. • Potassium and Phosphorous Booster • Trace Element Booster • Improves Flower Quality • Improves Yeild • Strenghtens Cells in Roots and Fruits • Improves Buffering Capacity