Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low View: 12 24 All W2G PRO-PK POTASH 5L to Pinterest (opens in a new window) Quick View Sale! Quick View Additives, HYDROPONIC ADDITIVES, Melbourne WarehouseW2G PRO-PK POTASH 5L $103.39 Original price was: $103.39.$72.37Current price is: $72.37. Liquid potassium supplement for pre-flowering and early flowering programmes.Add to cart