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Last Updated: 8/1/2026

Trin-Pac Select™

Active Ingredient: Trinexapac-ethyl

2 x 1 gal, 2 x 2.5 gal

Trin-Pac Select™ is a turf growth regulator that slows the top growth of the plant. By limiting the vertical growth, the energy in the plant is redirected to strengthening the root structure as well as prompting greater lateral growth. Using Trin-Pac Select will result in a reduction in the frequency of mowing and the amount of grass clippings, while increasing the color, quality and density of the turf. Trin-Pac Select is effective only through absorption and not by plant uptake through the soil.

Compare to: Primo Maxx®

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    • Reduce turf maintenance costs.
    • Increase the color, quality, and density of turf.
    • Reduce turf growth by 50% for up to four weeks.
    • Formulation low-odor and mixes easily.
    • Better drought resistance and stress recovery.
    • Rainfast within 1 hour after application.
    • Can be used to extend the life of turf-marking paint.

  • FL TX NM AZ AK CA NV UT CO OR WA ID HI OK MT WY ND SD NE KS MN IA MO AR LA MS AL GA SC IL WI MI IN OH TN KY NC WV VA PA NY ME VT NH RI CT NJ DE MD MA DC

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  • ACTIVE INGREDIENT
    11.3% trinexapac-ethyl

    HRAC GROUP
    23

    FORMULATION
    Micro emulsion

    CHEMICAL FAMILY
    Plant growth regulator

    COMPARE TO
    Primo Maxx®

    MODE OF ACTION
    Suppresses turf growth by temporarily inhibiting the production of gibberellic acid

    RESTRICTED USE
    No

    SIGNAL WORD
    Caution

    PACKAGING INFORMATION
    2 x 1 gal, 2 x 2.5 gal

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