House & Garden CalMag

House & Garden CalMag

SKU: HGCM05LB
$40.00
Available to Order (328 available)
Inventory may be in-store or supplier warehouse. Call 419-725-2450 to confirm same-day pickup.

Quick answer

House & Garden CalMag should be matched to your growing media, water source, crop stage, feeding style, and pH/EC monitoring plan.

Best fitGrowers building a nutrient program around a specific media type, water source, and crop stage.
Check before orderingChoose the exact size or variant before adding to cart. This page has 2 purchasable options, and price, stock, weight, and dimensions can change by size.
Grower tipStart from the label or feed chart, measure pH and EC, and increase strength only after plants show they are handling it.

Shopping guidance from Toledo Indoor Garden. Prices, availability, shipping rates, weights, and dimensions are verified during checkout.

Description

House & Garden CalMag 

House & Garden CalMag powder is a concentrated Calcium/Magnesium supplement for your hydroponic, coco coir, greenhouse, and indoor grow operations. This dry soluble fertilizer is designed to promote rapid growth by delivering essential nutrients to your valuable crop.

Unlock Your Crop's Full Potential

Give your plants the essential nutrients they need to thrive. CalMag is expertly formulated to support your crop from seedling to harvest, ensuring stronger plants and preventing common issues that can impact your bottom line.

  • Encourage Rapid Growth: The readily available Calcium and Magnesium formula encourages vigorous plant development and strengthens cell walls for more robust plants.
  • Prevent Deficiencies: Effectively eliminates Calcium and Magnesium deficiencies, especially when using RO water or coco coir media.
  • Increase Yields: Achieve up to 30% greater yields when used with H&G additives for an elevated feeding program.
  • Improve Cost-Effectiveness: The highly concentrated powder formula offers a lower cost-per-use than other brands, making it an economical choice for large-scale operations.


Technical Specifications and Features

Built for professional growers, CalMag delivers consistent, high-quality results. Its formula dissolves quickly and is designed for maximum plant uptake.

Guaranteed Analysis (NPK): 12-0-0
Total Nitrogen (N): 12.0%
Calcium (Ca): 10.0%
Magnesium (Mg): 3.0%
Recommended Use Rate: 1.4–4 g (0.3–0.8 tsp) per gallon of water.
Compatible Systems: Hydroponics, Coco Coir, and Soil.

Flexible Usage for Any Professional Setup

House & Garden CalMag integrates seamlessly into your existing workflow, offering the flexibility your operation needs to succeed.

  • Versatile Application: Ideal for a wide range of growing systems, including hydroponic, coco coir, greenhouse, and indoor environments.
  • Customizable Feeding Programs: Our professional grow consultants are available to help you create a feeding schedule tailored to your crop's specific needs.
  • Best Practices: For environments with less-than-ideal light, temperature, humidity, or airflow, we recommend using lower application rates. Do not apply dry powder directly to growing media.
  • System Compatibility: Fully compatible with commonly used biological additives, allowing you to integrate it into your current nutrient regimen without issue.

Safety and Storage Information

Please handle and store this product responsibly. KEEP OUT OF REACH OF CHILDREN. NOT FOR INTERNAL USE. Avoid contact with skin and eyes as it may cause irritation. Wear suitable protective clothing during handling. Store at room temperature between 44°F and 86°F (7°C and 30°C). Keep the container sealed and dry during storage to maintain product integrity.

Equip Your Operation with House & Garden CalMag

Stock your store or supply your grow operation with a trusted, high-performance CalMag nutrient.

House & Garden Nutrient Calculator

  • Cal-Mag Supplement
  • Suitable for All Stages
  • Application: 0.3-0.8 tsp per gallon
  • Genuine House & Garden product
  • Brand: House & Garden
  • Category: Nutrients & Fertilizers > Cal-Mag

Specifications

SKUHGCM05LB
BrandHouse & Garden
UPC638104031356
Weight5.00 lbs
Dimensions16 x 12 x 8 in
NPK12-0-0
TypeCal-Mag Supplement
Growth StageAll Stages
Guaranteed Analysis(NPK): 12-0-0 Total Nitrogen (N): 12.0% Calcium (Ca): 10.0% Magnesium (Mg): 3.0% Recommended Use Rate: 1.4–4 g (0.3–0.8 tsp) per gallon of water
Made InNetherlands
NotesMineral nutrients developed for premium Dutch growers
Application Rate0.3-0.8 tsp per gallon
Derived FromCalcium nitrate, magnesium nitrate
MaterialCoco Coir
FormPowder

Need Help?

Call us for expert advice:

419-725-2450

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