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Holland Secret Hard Water Micro - Product Information

Since 1996, gardeners in areas with hard water have relied on Holland Secret Hard Water Micro for their plants' nutrition. This formula is specifically designed for water sources with 200PPM (0.4EC) or higher. As a crucial component of the Holland Secret 3-part nutrient system, it provides all necessary micronutrients from seedling to maturity, ensuring strong, healthy growth in hard water conditions. It's a perfect alternative to the standard Holland Secret Micro when dealing with hard water.

Use it in combination with Holland Secret Grow during the vegetative stage, and transition to Holland Secret Bloom as your plants enter the flowering phase. This adjusted trio continues to be the cornerstone of flourishing gardens, now accommodating those with hard water sources.

Jarpreet on July 15, 2021

Good for Hard Water

I live in Ontario and we have hard water. I was struggling with it and my plants until I found Future Harvest and their hard water formula. The nutes I was using before didn't offer a hard water formula so I didn't know it was a thing. I'm using their whole line now and I'm really happy with it. Thanks Future Harvest for the help!

Directions for Use

For vigorous growth and optimal results, adhere to these guidelines:

  • šŸ’§ Shake Well: Ensure Holland Secret Micro is well mixed before measuring.
  • šŸ’§ Order of Mixing: Begin by adding Micro to your water, stirring thoroughly before adding Grow and Bloom.
  • šŸ’§ Gradual Combination: Introduce each nutrient one at a time, mixing well to prevent nutrient lock-out.
  • šŸ’§ Frequency of Application: Apply the nutrient solution twice per week, adjusting based on plant response and growth stage.
  • šŸ’§ Maintenance: Maintain clean equipment to ensure optimal nutrient uptake.
  • šŸ’§ Complete Nutrition: Use Grow, Micro, and Bloom in tandem for a comprehensive feeding regimen throughout your plant's lifecycle.

Dilution Rates

Dilution rates are intended as a guideline and should be modified based on individual plant needs, growth phase, and environmental conditions.

Growth Stage Target EC Target PPM Metric (per 4 liters) Imperial (per gallon)
Seedlings & Cuttings 0.3 170 1.2 ml Ā¼ tsp
Early Vegetative 1.3 770
5 ml
1Ā tsp
Late Vegetative 2.3 1170
7.5 ml 1Ā½ tsp
Early Flower 1.6 800 5 ml 1 tsp
Late Flower 2.2 1080 7.5 ml
1Ā½ tsp

Minimum Guaranteed Analysis

5

Nitrogen

0

Phosphorus

2

Potassium

Derived from: The nutrients in Holland Secret Hard Water Micro are derived from a range of high-quality sources including calcium nitrate, potassium nitrate, ammonium nitrate, copper nitrate,Ā zinc nitrate, boric acid, sodium molybdate, iron EDTA, and iron DPTA

VIEW PRODUCT LABEL

Compliance and Certifications

For those interested in the regulatory compliance and detailed composition of our product, we transparently provide all pertinent information. To verify our adherence to the rigorous standards set by the Oregon Department of Agriculture, please visit our certification page.

Furthermore, detailed information regarding the contents and levels of metals in Future Harvest products can be reviewed at the Association of American Plant Food Control Officials (AAPFCO) website.

Canadian customers can access our productā€™s compliance details with the Canadian Food Inspection Agency's regulations at their fertilizer database.


Future Harvest Nutrient Calculator

By entering your specific grow details, our Nutrient Calculator will outline the total amounts of Future Harvest products needed to take your plants from seeding to harvest, ensuring you're fully prepared for every stage of growth.

Growing with Hard Water
RELATED STORY

Growing with Hard Water

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.

Ā 

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

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