Soil Moist Water Absorbing Polymer Crystal - 8 Oz.

Seed Ranch

Soil Moisturizing Polymer Medium-Sized Crystals

This product, when incorporated into a soil or a substrate, absorbs and retains large quantities of water and nutrients, becoming a gel. It then easily releases the absorbed water and nutrients, enhancing plant growth by allowing the plant to have water and nutrients available at will.

Water absorbing crystals are useful for forestry, horticulture, transplanting, and large scale farming. They can be:
  • Pre-hydrated and implemented directly in the field
  • Incorporated into a substrate (dry or hydrated) and used for nurseries/potting mix
  • Implemented in the sowing coulter during crop sowing, using a pneumatic micro granular spreader

Water holding capacity is dependent on the electrolyte concentration in the water; this capacity varies between 100-200 times the polymer's weight in substrate. A sandy soil treated with 3 grams of water absorbing crystals per kilogram of soil holds water twice as long as untreated soil.

Application guidelines:

  • Turf and ornamentals:
    • Trees: 1 oz./ 3 ft. of height
    • Potted Plants: 0.25 oz. (1 Tbsp)/ 3 gallon pot
    • Flower Beds: 1 lb./100 sq. ft. of soil
    • Turf Soil Preparation: 5-10 lbs./1000 sq. ft. (250-450 lbs./acre)
    • Bulk Soil Blending: 2-4 lbs./cubic yard
    • Root Dip: 1-4 oz./gallon of water
  • Hydroseeding: 10-30 lbs./acre
  • Agriculture:
    • In Furrow at Seeding: 5-20 lbs./acre
    • In Pre-Plant Blend: 5-20 lbs./acre
    • Broadcast Rate: Min. 15 lbs./acre

Active ingredient: Polyacrylic Acid-Salt (Cross-linked): 99.7%

Non-toxic and biodegradable.


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Based on 5 reviews Average Product Rating 5.0 stars
5 Star Rating - 5 Customer Reviews (5)
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  • Verified buyer
    5 star rating Tate Bare T. B. Tate B.

    Water retention

    Crystals worked as advertised.

  • Verified buyer
    5 star rating Bodie Monnig B. M. Bodie M.

    Works for my roaches.

    I use these water crystals so my roaches can drink without drowning themselves on accident.

  • 5 star rating Barb G. B. G. Barb G.

    Great product and awesome customer

    Great product and awesome customer service. I will be purchasing more in the future. Thank you Barb Gebert

  • 5 star rating Brian B. B. B. Brian B.



  • Verified buyer
    5 star rating Brian Bader B. B. Brian B.


    Works great.

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