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The complete growth package that offers the best value for your money. This 3-part plant fertilizer system delivers all 12 essential micro and macro nutrients, ensuring your plants thrive without deficiencies. It's pH-buffered for ease of use, meaning less time diagnosing plant diseases and more time enjoying a bountiful harvest.

Holland Secret is celebrated for its ease of use and can be used with any grow medium, in any situation, and at any stage of the grow cycle. With Future Harvest's sediment and urea-free formula, you won't have to worry about clogged lines.

Experience the best hydroponic fertilizers in one convenient package!

 

Key Features:

    • Automatically buffers pH to optimal levels for growth.
    • 100% sediment-free, preventing nutrient salts from falling out of solution and becoming unavailable to your plants.
    • Suitable for both novices and experts, offering precise control over feeding schedules.
    • Extremely low salt index and only the finest raw materials used.
    • Adjust the ratio between the three bottles to tailor nutrition for each specific stage of plant growth.
    • Can be used as a stand-alone or as part of a complete feed program.

     

    GUARANTEED ANALYSIS

    BLOOM

    BLOOM GUARANTEED ANALYSIS

    GROW

    GROW GUARANTEED ANALYSIS

    MICRO

    micro guaranteed analysis

    Additional Info

    Use all three parts of the Holland Secret 3-Part plant fertilizer together for optimal results. Using only one or two parts, like Grow and Bloom without Micro, could lead to nutrient deficiencies.

    CFIA certified and suitable for foliar spray, Holland Secret meets all regulatory standards.

    Growing with Future Harvest Carbo Blast
    RELATED STORY

    Foliar Spray Recipes

    Customer Reviews

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    Disclaimer

    The values provided on these feeding charts are meant as a general growing guide.
    Results may vary based on such factors as genetics, environment, and water quality.
    It is up to the end user to make the necessary adjustments based upon their individual situation.

     

    FEED SCHEDULES AND GROW GUIDES

    FUTURE HARVEST 8 WEEK FEED SCHEDULE: SOIL (mL per gallon)

    FUTURE HARVEST 8 WEEK FEED SCHEDULE: SOIL

    An 8 week liquid feed schedule used for: Soil, COCO, and Soil-less growing mediums.

    Click here to Download PDF (Imperial)
    Click here to Download PDF (Metric)
    FUTURE HARVEST 8 WEEK FEED SCHEDULE: HYDRO (mL per gallon)

    FUTURE HARVEST 8 WEEK FEED SCHEDULE: HYDRO

    An 8 week liquid feed schedule used for: a hydroponic growing system.

    Click here to Download PDF (Imperial)
    Click here to Download PDF (Metric)
    FUTURE HARVEST 8 WEEK POWDER FEED SCHEDULE: SOIL (grams per 4 litres)

    FUTURE HARVEST 8 WEEK POWDER FEED SCHEDULE: SOIL (grams per gallon)

    An 8 week powder feed schedule used for: Soil, COCO, and Soil-less growing mediums.

    Click here to Download PDF
    FUTURE HARVEST 8 WEEK POWDER FEED SCHEDULE: SOIL (grams per gallon)

    FUTURE HARVEST 8 WEEK POWDER FEED SCHEDULE: SOIL (tsp per gallon)

    An 8 week powder feed schedule used for: Soil, COCO, and Soil-less growing mediums.

    Click here to Download PDF
    EASY PLUS SERIES APPLICATION GUIDE

    EASY PLUS SERIES APPLICATION GUIDE

    The Easy Plus Series application guide. Used for: Soil, COCO, and Soil-less growing mediums.

    Click here to Download PDF
    EASY PLUS SERIES GROW GUIDE

    EASY PLUS SERIES GROW GUIDE

    An easy to understand grow guide on using our Easy Plus Series powders.

    Click here to Download PDF

    FUTURE HARVEST 8 WEEK AUTO-FLOWER FEED SCHEDULE

    An 8 week liquid feed schedule specifically designed for auto-flowering plants.

    Click here to Download PDF

    SAFETY DATA SHEETS / CERTIFICATES OF ANALYSIS

        SDS COA LABEL / PDS
    HOLLAND SECRET - MICRO EN / FR COA LABEL / PDS
    HOLLAND SECRET - GROW EN / FR COA LABEL / PDS
    HOLLAND SECRET - BLOOM EN / FR COA LABEL / PDS
    CALNESIUM
    EN / FR COA LABEL / PDS
    PLANTACILLIN
    EN / FR COA LABEL / PDS
    HARD WATER MICRO
    EN / FR COA LABEL / PDS
    EASY GROW PLUS EN / FR COA LABEL / PDS
    EASY BLOOM PLUS EN / FR COA LABEL / PDS
    SUPER B+ EN / FR COA LABEL / PDS
    ROYAL GOLD EN / FR COA LABEL / PDS
    ROYAL BLACK EN / FR COA LABEL / PDS
    PROP-O-GATOR EN / FR COA LABEL / PDS
    CARBO BLAST EN / FR COA LABEL / PDS
    BUD START EN / FR COA LABEL / PDS
    TON O BUD EN / FR COA LABEL / PDS
    BUD BOOM EN / FR COA LABEL / PDS
    SILICA UP EN / FR COA LABEL / PDS
    pH UP EN / FR COA LABEL / PDS
    pH DOWN EN / FR COA LABEL / PDS
    ORGANICAL MAGIC EN / FR LABEL / PDS
    SURGE PLUS EN / FR COA LABEL / PDS
    CARBO BLAST POWDER EN / FR LABEL / PDS
    BUD START POWDER EN / FR LABEL / PDS
    TON O BUD POWDER EN / FR LABEL / PDS
    BUD BOOM POWDER EN / FR LABEL / PDS
    PLANT FLUSH EN / FR LABEL / PDS
    CITRIC DOWN EN LABEL / PDS
    ISOPROPANOL 99% EN LABEL
    H2O2 29% EN LABEL / PDS
    SUCK IT UP EN LABEL 
    VEG BOOM PLUS EN LABEL 
    NUTRADIP pH4 EN LABEL 
    NUTRADIP pH7 EN LABEL 
    NUTRADIP 1000PPM EN LABEL 
    VGC - COMMON EN LABEL
    VGC - GROW EN LABEL
    VGC - BLOOM EN LABEL