PK - 1 Gallon pest-and-disease-control Designed for and formulated for

Designed for and formulated for hydroponics

Mandatory for pump unless a PreEvolution™ for your Evolution RO1000™ or a Tall Blue™ pre-filter for your Merlin Garden Pro

Designed for high performance Potted & container plants

Maximum cooling efficiency

clay pellets and more

PK - 1 Gallon pest-and-disease-control Designed for and formulated forAthena PK is a balanced bloom boosting complement to our Bloom fertilizers. This clean liquid booster is designed to supplement during the mid to late flowering phase. Athena PK is a low Nitrogen booster that provides additional Phosphorus and Potassium that high yielding plants require for maximal production. Many PK boosters add far too much of these elements and create a cascade of problems, such as reducing Calcium and Magnesium availability.