Resources Investors Contact Us Support
View All Results
Clear all
Narrow Your Search - Search Within A Category
  • Products
    • Nutrients & Additives
      Nutrients & Additives Brands
      Hydrofarm House Brands
      All Nutrients & Additives Brands
      Ways to Shop
      Featured Brand
    • Lighting
    • Atmospheric Control
    • Hydroponics
    • Growing Media
      Growing Media Brands
      Hydrofarm House Brands
      All Growing Media Brands
      Ways to Shop
      Featured Brand
    • Plant Care/Pest & Disease Control
      Plant Care/Pest & Disease Control Brands
      Hydrofarm House Brands
      All Plant Care/Pest & Disease Control Brands
      Ways to Shop
      Featured Brand
    • Seed Starting/Cloning
      Seed Starting/Cloning Brands
      Hydrofarm House Brands
      All Seed Starting/Cloning Brands
      Ways to Shop
      Featured Brand
    • Harvest/Post-Harvest
      Harvest/Post-Harvest Brands
      Hydrofarm House Brands
      All Harvest/Post-Harvest Brands
      Ways to Shop
      Featured Brand
    • Garden Accessories
      Garden Accessories Brands
      Hydrofarm House Brands
      All Garden Accessories Brands
      Ways to Shop
      Featured Brand
    • Food Storage
      Food Storage Brands
      Hydrofarm House Brands
      All Food Storage Brands
      Ways to Shop
      Featured Brand
    • Water Management
      All Water Management Brands
      Ways to Shop
      Featured Brand
    • Brands
  • Our Brands 
    [{"Article":{"SeName":"all-brands","Name":"All Brands","Author":"parentjump=AllBrands&priority=3","ShortDescription":null,"PictureModel":{"ImageUrl":"/images/thumbs/default-image_187.png","ThumbImageUrl":null,"FullSizeImageUrl":"/images/default-image.png","Title":"Show details for All Brands","AlternateText":"Picture of All Brands","CustomProperties":{}},"DateUserTimeZone":"2022-09-28T09:22:58","NumberOfComments":0,"AllowComments":false,"Tags":[],"StartDateUtc":null,"EndDateUtc":null,"DateRangeForDisplay":"","DisplayAsPrivateNotificationMessage":false,"DownloadId":0,"ShowOnHomePage":false,"Id":201,"CustomProperties":{}},"Options":["parentjump","priority"]},{"Article":{"SeName":"preferred-distributed-brands","Name":"Preferred Distributed Brands","Author":"parentjump=PreferredBrands&priority=2","ShortDescription":null,"PictureModel":{"ImageUrl":"/images/thumbs/default-image_187.png","ThumbImageUrl":null,"FullSizeImageUrl":"/images/default-image.png","Title":"Show details for Preferred Distributed Brands","AlternateText":"Picture of Preferred Distributed Brands","CustomProperties":{}},"DateUserTimeZone":"2022-09-28T09:26:36","NumberOfComments":0,"AllowComments":false,"Tags":[],"StartDateUtc":null,"EndDateUtc":null,"DateRangeForDisplay":"","DisplayAsPrivateNotificationMessage":false,"DownloadId":0,"ShowOnHomePage":false,"Id":202,"CustomProperties":{}},"Options":["parentjump","priority"]},{"Article":{"SeName":"hydrofarm-brands-2","Name":"Hydrofarm Brands","Author":"parentjump=HydrofarmBrands&priority=1","ShortDescription":null,"PictureModel":{"ImageUrl":"/images/thumbs/default-image_187.png","ThumbImageUrl":null,"FullSizeImageUrl":"/images/default-image.png","Title":"Show details for Hydrofarm Brands","AlternateText":"Picture of Hydrofarm Brands","CustomProperties":{}},"DateUserTimeZone":"2022-09-28T09:27:49","NumberOfComments":0,"AllowComments":false,"Tags":[],"StartDateUtc":null,"EndDateUtc":null,"DateRangeForDisplay":"","DisplayAsPrivateNotificationMessage":false,"DownloadId":0,"ShowOnHomePage":false,"Id":203,"CustomProperties":{}},"Options":["parentjump","priority"]}]
  • Where To Buy
  • Commercial
  • About Us
  • Investors
  • Contact Us
  • Support
  • LOG IN
Picture for Growth Science Nutrients Rock Solid, 1 qt
Growth Science

Growth Science Nutrients Rock Solid, 1 qt

SKU: GSCRSQ
Option:
SRP $24.99
Sizes / Options Details Specs More Info

Sizes / Options

Growth Science Nutrients Rock Solid, 2.5 gal
Growth Science Nutrients Rock Solid, 2.5 gal
SKU:
GSCRS2.5G
SRP: $149.99
Growth Science Nutrients Rock Solid, 6 gal
Growth Science Nutrients Rock Solid, 6 gal
SKU:
GSCRS6G
SRP: $298.99

Product Details

Growth Science Nutrients Rock Solid

When the time comes for flower formation, Rock Solid® provides plants with the nutrients needed to support flowering. Rock Solid® is specifically formulated to help increase overall yield. For use in soil, coco, and all hydroponic mediums.

  • Helps increase plant vigor and growth required for sugar and enzyme production, photosynthesis and Rock Solid flower yields. 
  • Doubles as a P/K booster providing additional phosphorus and potassium in bloom.
  • Designed to provide key nutrients required to enhance terpene profiles, adding more value and marketability of your final product.


 

Specs

Attribute name Attribute value
NPK Phosphorus (P) 4
NPK Potassium (K) 4.5
Discontinued 1
Dimensions 3.5L x 3.5W x 9.0H (EA)
11.0L x 13.5W x 9.5H (CS)
48.0L x 40.0W x 43.0H (PL)
Barcodes 855275005201 (UPC-A)
10855275005208 (GTIN)
Shipping Weight 2.54 lbs.

More Info

SDS Rock Solid

Shop By Category

Other Ways To Shop

How To Buy

About Us

Resources Tools

Helpful Links

1510 Main St, Shoemakersville, PA 19555

1-800-634-9990

Visit Hydrofarm's Facebook page Visit Hydrofarm's YouTube page. Visit Hydrofarm's Instagram page

Are you a retailer or commercial grower?

Get started here to register for an account.

Get Started

Copyright 2025 by Hydrofarm. All Rights Reserved.