Soil Treatment® (PST®)

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The Performance Soil Treatment® (PST®

Improves the condition and composition of the soil, enhances microbial populations, improves nutrient efficiency and delivers an arsenal of amino acids, enzymes, sugars and organic substances. Incorporating PST® into turf management regimens supports a vigorous ecosystem and enhances conditions that contribute to turf quality and sustainability.

The Performance Soil Treatment® contains several beneficial active ingredients that work together to maintain a healthy and productive soil environment. PST® products include KaPre® ExAlt Polyelectrolyte Solution, KaPre® RemeD8 WSP Soil Inoculant, Pennamin® Amino Acid products, and KELPENE® Plant Extracts.


  • Provides a solid foundation for building healthy turfgrass and will enhance any nutrient program
  • Unlocks nutrients found in the soil (Ca, P, Mg, etc.)
  • Increases the bio-availability of minerals
  • Provides organic nitrogen with free amino acids
  • Improves the diversity of beneficial soil microbes
  • Provides food sources for native microbial populations
  • Helps balance the sodium to potassium ratio of the soil to aid in the prevention of sodium- induced wilt
  • Alleviates compacted soils, reduces bicarbonates and eliminates black layer

Performance Soil Treatment Product Options

KaPre® ExAlt
Powerful polyelectrolyte solution designed to remediate poor quality soil and water.

KaPre® RemeD8 WSP Soil Inoculant
Contains a consortium of nitrogen fixing and other beneficial microbes

Amino acid chelated and complexed micronutrients and source of organic nitrogen.

Concentrated blend of Kelp and Plant Extracts

Application Rates and Timing

KaPre® ExAlt

Turf and Ornamentals Maintenance Rate (To prevent and correct mineral buildup):

Apply KaPre® ExAlt at a rate of 16-32 ounces per acre (0.35 to 0.70 ounces per 1,000 ft2) every month throughout the growing season.

Turf and Ornamentals Curative Rate (For the treatment and rejuvenation of highly compacted soils, salt-contaminated soils, damaged soils affected by hydrophobicity and to aid in the recovery of soil damaged by soil borne pathogens):

Apply KaPre® ExAlt at a rate of 16-32 ounces per acre (0.35 to 0.70 ounces per 1,000 ft2) every week for the first month followed by applications every month throughout the season.

Apply labeled rates of KaPre® RemeD8 WSP Soil Inoculant as a tank mix with KaPre® ExAlt or within 3 – 7 days after the KaPre® ExAlt application.

KaPre® RemeD8 WSP Soil Inoculant

Greens, tees and other low-cut turf: Apply one 8 oz. packet of KaPre® RemeD8-WSP per 1.0 to 1.25 acres. Apply every 14 days throughout the season.

Fairways, roughs, sports turf and other high-cut turf: Apply one 8 oz. packet of KaPre® RemeD8-WSP per 2.0 to 2.5 acres. Apply every 14 days throughout the season.

Pennamin® High K

Apply 0.4 – 2 oz. per 1000 ft2 (1 – 5 lbs. per acre). Substitute other Pennamin® products depending on turf or soil requirements.

Kelpene® GPX

Maintenance Rate: Make 4 applications of Kelpene GPX at a rate of 15 fl. oz. per acre (0.3 fl. oz. per 1,000 ft2) during the spring and early season every 2-3 weeks, followed by 1 midseason application and 1 fall dormancy application.

Recovery/High Stress Rates: Make 12 – 18 applications of Kelpene GPX at a rate of 15 fl. oz. per acre (0.3 fl. oz. per 1,000 ft2) during the season. Apply every 2 weeks during the key growing period and then every 30-60 days at other times.

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