Harrell's MAX® Liquid Foliar Nutritionals

About Harrell's MAX

Harrell's MAX® offers you results that get noticed.

HarellThe complete line of Harrell’s MAX® liquid foliar nutritional products, including Harrell's Bio-MAX®, is an ideal way to supplement your granular fertilization program. Liquid foliar fertilizers “feed” through both the leaves and roots, allowing for maximum plant uptake, less environmental loss and faster green-up. The products may also be mixed with many pesticides and plant growth regulators for a labor-saving, one-stop application.

The Harrell’s MAX® product line has been specifically formulated to provide you with a complete and highly effective fertilizer portfolio. All liquid foliar nutritional N, P & K components are derived from the finest foliar grade sources, allowing for optimum uptake and exceptional product quality. In addition, all Harrell’s MAX® micronutrient components have been chelated in order to maximize foliar absorption and protect these essential elements from environmental degradation.


Introducing Harrell's MAX® liquid foliar nutritional products, including Harrell's Bio-MAX®. Harrell's MAX is an ideal way to supplement your granular fertilization program, and has been specifically formulated to provide you with a complete and highly effective fertilizer portfolio.

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Harrell's Max Manganese 5%, 2.5 Gal 200225 SDS Label More…

Harrell’s MAX® Manganese 5% is a liquid foliar formulation designed to help correct and prevent manganese deficiencies on turf and ornamentals. A jar test to check the compatibilities of new or unfamiliar combinations should be performed prior to mixing and application.

Harrell's Max Magnesium 4%, 2.5 Gal 200231 SDS Label More…

Harrell’s MAX Magnesium 4% is a liquid formulation designed to correct and prevent Magnesium deficiencies. Magnesium is an important secondary nutrient, very essential for photosynthesis, since it is part of the chlorophyll molecule. Insufficient amounts of Magnesium will appear as a loss of green color at the bottoms of older leaves. Severe deficiencies will also affect younger leaves and can result in the formation of lesions. High levels of calcium and potassium can reduce Magnesium uptake. Harrell’s MAX Magnesium 4% assists in chlorophyll production, providing Magnesium in a complexed form that is readily available for both soil and foliar applications. It is ideal for mixing with acid sensitive products and is generally not affected by soil conditions, other nutrients.

Harrell's Stress Relefe, 0-0-25 2.5 Gal 200232 SDS Label More…

Harrell’s MAX® Stress Relefe 0-0-25 is a high solubility liquid potassium fertilizer which can be applied directly to the soil, to the plant tissues (with water) or through an irrigation system. This product provides potassium for foliar and root uptake and utilization during critical growth stages. This product can be applied throughout the growing season to correct potassium deficiencies. Fall fertilization provides Potassium, a key element in promoting stress tolerance from adverse environmental conditions.

Harrell's Max Minors, 2.5 Gal 200233 SDS Label More…

Harrell’s MAX® Minors is a liquid foliar formulation of the listed secondary and micronutrients designed to aid in the prevention and correction of nutrient deficiencies. The copper, iron, manganese, and zinc in this product have been complexed to improve availability in higher pH soils where trace elements often become unavailable to the plant.

Harrell's Max Potassium + CA 4-0-8 2.5 Gal 200236 SDS Label Metal More…

Harrell’s MAX® Potassium Plus Calcium is a specially formulated blend of nutrients designed for application on a wide variety of turf grasses, trees and ornamental plants. Repeat applications may improve plant tolerance to drought and environmental stress.

Harrell's Max Calcium 8.25%, 2.5 Gal 200238 SDS Label More…

Harrell’s MAX Calcium is a complexed secondary plant nutrient that will aid in supplementing the crop’s calcium requirement and may be applied throughout the growing season. When used as a part of a balanced fertility program, it will correct calcium deficiencies, especially in rapidly expanding foliage and fruiting structures. It is not designed to correct soil pH.

Harrell's Max Salt Rx 2.5 gal 200245 SDS Label More…

Harrell’s MAX® Salt Rx has been formulated to aid in the remediation of salt and bicarbonate affected soils. Salt Rx utilizes potassium to displace sodium on soil colloids thereby allowing sodium to leach through the soil profile. Citrate reacts with bicarbonates in the soil converting them to carbon dioxide and water.

Harrell's Max Long Iron 2.5 Gal 15-0-0 6%Fe 200249 SDS Label More…

Harrell’s MAX® Long Iron 15-0-0 with UMAXX® is most effective during active growth and less effective when plants are dormant or suffering from stress. Harrell’s MAX® Long Iron 15-0-0 with UMAXX® formulation provides compatible mixing ability with amine based herbicides. This product will mix with most commonly used herbicides, pesticides, fertilizers, and fungicides. Tank mixture compatibilities may vary because changes in formulations, water sources, temperature, and spray volumes. Always conduct a jar test for compatibility before tank mixing.

Harrell's Max Copper 2.5 Gal Limited QTY 200252 SDS Label More…

  • Essential for photosynthesis and plant reproduction
  • Increases sugar content, improves color and improves flavor of fruits and vegetables

Harrell’s MAX Copper is designed to help overcome copper deficiencies in ornamentals. Copper sulfate has long been used in ornamental production for its fungicidal and bacterial properties. Specifically formulated to catalyze several plant processes. GUARANTEED ANALYSIS
  • Copper (Cu) 5.10% 5.10%Water Soluble Copper
  • Sulfur (S) 2.00%
Derived from: Copper Sulfate
Harrell's Orn Max 9-3-6, 2.5 Gal 200291 SDS Label More…

  • Designed for quick green-up and growth
  • Formulated with a complete micronutrient package

Harrell’s MAX Ornamental 9-3-6 High Nitrate Formula has been specially formulated with the optimum 3-1-2 ratio for quick green-up, quality growth and includes a complete micronutrient package. Before using this product read entire label for uses, product information and first aid. GUARANTEED ANALYSIS
  • Nitrogen (N) 9.00%
  • Available Phosphoric Acid (P2O5) 3.00%
  • Soluble Potash (K2O) 6.00%
  • Calcium (Ca) 2.00%
  • Magnesium (Mg) 0.50%
  • Boron (B) 0.01%
  • Copper (Cu) 0.01%
  • Iron (Fe) 0.10%
  • Manganese (Mn) 0.02%
  • Molybdenum (Mo) 0.002%
  • Zinc (Zn) 0.01%
  • Nickel (Ni) 0.002%
Derived From: Calcium Nitrate, Potassium Nitrate, Phosphoric Acid, Magnesium Nitrate, U-32, Copper-EDTA, Iron-EDTA, Mn-EDTA, Zn-EDTA, Sodium Borate, Sodium Molybdate and Nickel Nitrate.

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