PENMAX Agricultural Soil Penetrant


Specifically formulated with a proprietary blend to achieve the highest efficiency and uptake of all nutrients while improving soil & plant growth. Net 128 fl oz (1 gal/ 3.785 L)

PENMAX has No Equal!

  • Increases water penetration
  • Washes away unwanted salts from root zone
  • Increases Microbial Base in soil
  • Recommended by Gardeners and Farmers Worlwide!

100% Satisfaction Guaranteed


Hose End Sprayer (for flowers, fruits, vegetables, trees, shrubs, and lawns):
For adjustable or fixed rate garden feeder use a 50:1 ratio. Apply 2 to3 fluid oz. per 1,000 sq. ft. (20′ x 50′). Adjust mixture to the sq. footage. Apply every 2 to 4 weeks followed with plenty of water.

Watering Can (Garden):
Add 1 fluid oz per gallon of water and apply every 2 to 4 weeks. Water as needed. Adjust the volume of the mixture to the garden or lawn area.

Indoor Plants:
Mix 1/2 to 1 oz per gallon of water and apply every 2 weeks. Water as needed. Periodically flush water through the plants container to remove excess salts that are caused by too little water and evaporation.

Western Nutrients Corporation makes no warranty, expressed or implied, including the warranties of merchantability and or fitness for any particular purpose, concerning this material, except those which are contained on the Western Nutrients Corp. label attached to the product container.
Information regarding the contents and levels of metals in this product is available by calling 1-800-542-6664, M-F , 8AM – 5PM PST (CA residents only). For MSDS information.