The most advance PK on the market. Monster PK delivers rapid fruit development, bigger fruits and increased fruiting sites whilst cleverly helping to protect against environmental stresses.


P and K are the elemental symbols for phosphorous and potassium respectively. Phosphorous and potassium are essential to the life of plants, especially in the fruiting and flowering phase. Using Monster PK massively increases the size and weight of your fruits and flowers and is the No.1 product when it comes to achieving those bumper harvests we all dream about.

Mother Earth is compatible with any food range. Add to any feed schedule at the rates shown in the feed chart (link below).


Use from week 2 of flower at 0.25ml per litre and slowly increase to 0.5ml per litre. Use until flush.

Available in 1L, 5L and 10L.