Easy to Use:
Easy to store and handle. Pellets can be applied with a conventional fertilizer spreader
Saves Time:
ENCAP’s AST® polymer coating helps nutrients get into the root zone quickly
Saves Money:
2.5 times more effective at holding calcium in the soil means longer lasting and fewer applications
Dust Free: Polymer coated granules virtually eliminate dust during application
Better Soil: Aerates soil for better drainage, improved oxygen penetration and vigorous root growth
AST®: ENCAP’s polymer coating holds calcium in the root zone where it is most effective
ENCAP’s Pro Series Gypsum with AST® is effective at improving the structure of clay and winter worn soils while providing an excellent source of calcium for plant uptake.Plants need calcium for healthy root systems and efficient nutrient uptake. Gypsum has been used for centuries as a way to add calcium to the soil without affecting the soil pH.


ENCAP’s Pro Series Gypsum with AST® is high purity, mined gypsum designed to work quickly and last longer than conventional products.

ENCAP’s AST® technology is a proprietary blend of polymers designed to condition the soil and keep nutrients right where you put them, even after it rains. The proprietary polymers create micro channels in the soil that help water and nutrients get to the root zone quickly making them readily available for plant uptake.

All of this in a product that is easy to use and dust free. ENCAP Pro Series Gypsum with AST® is the choice of landscape professionals.

Gypsum Application Index

Application Rate Frequency
Seed Establishment
Existing Turf
6 lbs per 1,000 ft2
6 lbs per 1,000 ft2
At installation

Up to 2 times per season

Evergreens 1 cup surrounding base Feed in spring and fall
Vegetable Gardens

Flower Gardens

1 lb for every 100 ft2
1 lb for every 100 ft2
Feed in spring

Feed in spring

To Loosen Clay Soils

Salt Damaged Turf

12 lbs per 1000 ft2
12 lbs per 1000 ft2
Apply any time

Apply any time

Pro Series Gypsum with AST Downloads