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Aptus MINERAL - CALMAG - Green Thumb Depot
Aptus MINERAL-CALMAG

Aptus MINERAL-CALMAG

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SKU: AP80001

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Aptus MINERAL-CALMAG

Aptus MINERAL-CALMAG is a fully water-soluble supplement providing essential plant-available nitrogen, calcium, and magnesium. Designed to prevent common deficiencies and stabilize pH, it’s ideal for soilless media like coco, perlite, rockwool, and hydroponic systems. Suitable for use throughout both vegetative and flowering phases, it ensures consistent nutrient availability and reliable plant growth.

  • Features & Benefits
  • Product Specifications
  • What is included?
  • Warranty Policy

Reliable Calcium and Magnesium Supplementation

MINERAL-CALMAG delivers essential calcium and magnesium in forms that plants can readily absorb. It buffers feed water, supports healthy development, and prevents common deficiencies, making it ideal for commercial or high-demand cultivation systems.

  • Provides fully water-soluble nitrogen, calcium, and magnesium
  • Prevents calcium and magnesium deficiencies in soilless media
  • Buffers feed water and stabilizes pH for optimal nutrient uptake
  • Compatible with BASE, 2-part NPKs, and municipal or RO water
  • Ideal for vegetative and flowering stages
  • Designed for high-demand commercial fertigation systems

Consistent Nutrient Availability for Healthy Growth

Aptus MINERAL-CALMAG ensures plants have access to essential calcium and magnesium whenever they need it. Its pH buffering and water-soluble formula allow growers to maintain stable, predictable nutrient levels for robust vegetative and flowering development.

Why Aptus?

Aptus is trusted by professional growers worldwide for its science-driven formulations, premium raw materials, and uncompromising quality. Each product is designed to deliver maximum efficiency with minimal input, helping growers achieve consistent, high-quality results through precision nutrition.

Why Buy From Us?

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

Excellent 4.8 out of 5 based on 1,247 reviews
If I could rate 6 stars I would!
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Reviewer
Jim D

Customer service was outstanding great…
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I'll definitely order from them again
Reviewer
Glenn Appleton

The machine is doing just what my…
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we're starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Reviewer
Freddie

Fantastic
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
Reviewer
Kar

←
→

FAQ Section

What is Aptus MINERAL-CALMAG used for?
MINERAL-CALMAG supplies water-soluble nitrogen, calcium, and magnesium to prevent deficiencies and buffer pH in soilless and hydroponic systems.
Can it be used throughout all growth stages?
Yes, it is suitable for both vegetative and flowering phases of plant growth.
What is the recommended dosage with a 2-part NPK?
Use 1.5 ml per gallon or 0.4 ml per liter.
How should it be used with BASE and RO water?
Use 3–4 ml per gallon or 0.8–1 ml per liter for optimal nutrient supplementation.
Is MINERAL-CALMAG compatible with hydroponic systems?
Yes, it is ideal for hydroponics, coco, perlite, rockwool, and other soilless substrates.
Does it stabilize pH in feeding solutions?
Yes, MINERAL-CALMAG has excellent pH stabilizing capabilities for consistent nutrient availability.
What sizes is Aptus MINERAL-CALMAG available in?
Aptus MINERAL-CALMAG is available in 1L, 5L, and 20L sizes, with the provided SKU being for the 5L option.

Specifications

Aptus MINERAL-CALMAG
Product Name Aptus MINERAL-CALMAG
SKU AP80005
Available Sizes 1L, 5L, 20L
Key Nutrients Nitrogen, Calcium, Magnesium
Application Phase Vegetative and Flowering
Growing Media Soil-less media, Hydroponics, Coco, Rockwool, Perlite
Shipping Weight (5L) 14.3 lbs

What is included?

It includes:

  • Aptus MINERAL-CALMAG (Selected Size: 1L, 5L, or 20L)
  • Manufacturer-Sealed Container
  • Usage Instructions for Optimal Dosing

Warranty Policy

Please check out the manufcaturers website for Warranty related issues.

img

Aptus MINERAL-CALMAG

Aptus MINERAL-CALMAG is a 100% water-soluble additive delivering essential plant-available nitrogen, calcium, and magnesium. Ideal for soil-less mediums and recirculating systems, it prevents deficiencies and stabilizes pH throughout vegetative and flowering stages. Perfect for commercial or home growers using fertigation or RO/soft water. Available in 1L, 5L, and 20L sizes.

Product Overview

Specifications

What's Included?

Warranty & Returns

Product Overview

Aptus MINERAL-CALMAG provides critical calcium, magnesium, and nitrogen for optimal plant health. Its water-soluble formula ensures accurate dosing while stabilizing pH in coco, rockwool, perlite, and hydro systems. Suitable for entire growth cycles, it prevents common deficiencies and promotes consistent nutrient uptake.

Key Features:
1. Water-Soluble Additive
2. pH Stabilizer
3. Calcium & Magnesium
4. Prevents Deficiencies
5. Veg & Flower Use
6. Compatible with Base

wetanddry
wetanddry

Features and Benefits of Aptus MINERAL-CALMAG

Aptus MINERAL-CALMAG ensures plants receive essential nitrogen, calcium, and magnesium in a clean, water-soluble form. Designed for both vegetative and flowering stages, it stabilizes pH and supports consistent nutrient absorption for vigorous, healthy growth.

Water-Soluble

pH Stabilizer

Calcium & Magnesium

Deficiency Prevention

Available in Different Sizes

How to Use

1. With 2-part NPK: 1.5 mL per gallon (0.4 mL per L).

2. With Base & municipal water: 2.5 mL per gallon (0.6 mL per L).

3. With Base & RO/soft water: 3-4 mL per gallon (0.8-1 mL per L).

4. Use throughout vegetative and flowering stages.

5. Shake well before use.

6. Store in a cool, dark place.

7. Maintain clean measuring devices.

8. Do not pour unused solution back into the bottle.

Why Aptus?

Aptus is trusted by professional growers worldwide for its science-driven formulations, premium raw materials, and uncompromising quality. Each product is designed to deliver maximum efficiency with minimal input, helping growers achieve consistent, high-quality results through precision nutrition.

wetanddry
wetanddry
wetanddry

Why Choose Us

At GreenThumbDepot, you're not just another sale to a faceless corporation. You're partnering with a team genuinely invested in your success. Our legendary customer service, combined with a promise of unbeatable prices, sets us apart. We're here for you, always.

wetanddry
Excellent 4.8 out of 5 based on 1,247 reviews
If I could rate 6 stars I would!
If I could rate 6 stars I would! My representative Edouard B. has been shockingly responsive! Like - oh my god - an actual SERVICE oriented company. He's dug into my odd connectivity issues I've been having - and following up in an AMAZINGLY timey manner. No shit. You'll be impressed! (And the price was also unbeatable, quick shipping...it's all PERFECT). Thank you Ed!!
Jim D
Customer service was outstanding great…
Customer service was outstanding great people to deal with they understand your needs and they will do their best to fulfill them there is no way I can complain about them because they are the best help out there.Thanks green thumb depot. I’ll definitely order from them again
Glenn Appleton
The machine is doing just what my…
The machine is doing just what my salesman told it would do (I appreciate you Ed thank you) . The machine is what we need for our new business we’re starting up, soon to be llc and licensed. We are getting a lot of clients wanting our services. Ed I will be needing more of your products, thank you again.
Freddie
Fantastic
Great prices, fantastic customer service, and mind blowing shipping! Incredible. Will be using again and telling anyone in need.
Kar
←
→


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FAQ Section

What is Aptus MINERAL-CALMAG used for?
MINERAL-CALMAG supplies water-soluble nitrogen, calcium, and magnesium to prevent deficiencies and buffer pH in soilless and hydroponic systems.
Can it be used throughout all growth stages?
Yes, it is suitable for both vegetative and flowering phases of plant growth.
What is the recommended dosage with a 2-part NPK?
Use 1.5 ml per gallon or 0.4 ml per liter.
How should it be used with BASE and RO water?
Use 3–4 ml per gallon or 0.8–1 ml per liter for optimal nutrient supplementation.
Is MINERAL-CALMAG compatible with hydroponic systems?
Yes, it is ideal for hydroponics, coco, perlite, rockwool, and other soilless substrates.
Does it stabilize pH in feeding solutions?
Yes, MINERAL-CALMAG has excellent pH stabilizing capabilities for consistent nutrient availability.
What sizes is Aptus MINERAL-CALMAG available in?
Aptus MINERAL-CALMAG is available in 1L, 5L, and 20L sizes, with the provided SKU being for the 5L option.

Specs & Dimensions

Weight According to selected size
Brand Aptus
Available Sizes 1 L, 5 L, 20 L
Brand Aptus
SKU AP80005
Weight (lb.) 14.3
N-P-K Contains N/A (Calcium & Magnesium)

Items in the box

Aptus MINERAL-CALMAG Bottle

Manufacturer-Sealed Container

Warranty & Returns

Please check out the manufacturers website for Warranty related issues.

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