Cal Mag

Advanced Nutrients

Auto pot

General Hydroponics

Hydrofarm

Botanicare

CYCO

Gro Pro

Humboldt Nutrients

Emerald Harvest

Foxfarm

View all Brands

Advanced Nutrients

Auto pot

General Hydroponics

Hydrofarm

Botanicare

CYCO

Gro Pro

Humboldt Nutrients

Emerald Harvest

Foxfarm

Roots Organics

Hydro-Logic

House & Garden

Growers Edge

Active Aqua

Grotek

Hydro Flow

Hydro Organics / Earth Juice

Eco Plus

Gavita

Grodan

Can Fan

Trolmaster

Active Air

Titan Controls

Cutting Edge Solutions

Aptus

Hydro Dynamics

FloraFlex

Heavy 16

Nectar For The Gods

Mother Earth

Autopilot

Canna

Netafim USA

Bluelab

Down To Earth

Mills

Phat

Quest

Super Sprouter

Technaflora

Remo Nutrients

Sun System Power and Lamp Cord

Dosatron

Ez Clone

Jump Start

Agrobrite

Dyna-Gro

Gorilla Grow Tent

Grow More

Microbe Life

Vegamatrix

Athena

Hurricane

Measure Master

Sun System LEC

Leader Pumps

Smart Pot

Harvest Keeper

Ideal Air

Method Seven

Elite Nutrients

Emerald Triangle

Hanna Instruments

Photobio

Sun Blaze & Solar Flare

Phantom DE

Super Natural

Supreme Growers

Eye Hortilux

Rainmaker

Shear Perfection

Revelry Supply

Berry Plastics

Fast Fit

GreenGro

Rare Dankness

Air-Pot

Cambro

Chikamasa

Integra Boost

Terpinator

True Liberty Bags

Xtrasun

Xtreme Gardening

Botanicare Trays

Boveda Inc

Ona

Grow Lab

GROW!T

Mondi

Monterey

Rock Nutrients

Ultra Sun

Active Eye

Anden / Aprilaire

Atmosphere

Big Time Hydroponics

BioAg

View all Brands

Quick view Details

Athena
|
sku: LQ-CM-1G

Athena Cal-Mag Gallon

MSRP:

Now: $45.00

Add to Cart
Quick view Details

Athena
|
sku: LQ-CM-5G

Athena Cal-Mag 5 Gallon

MSRP:

Was: $200.00

Now: $140.00

Add to Cart
Quick view Details

Botanicare
|
sku: HGC732127

Botanicare Cal-Mag Plus 250 Gallon

MSRP:

Was: $10,082.74

Now: $5,231.53

Add to Cart
Quick view Details

Roots Organics
|
sku: ROCM5G

Roots Organics CalMag 5 Gallon

MSRP:

Was: $299.99

Now: $167.00

Add to Cart
Quick view Details

Roots Organics
|
sku: ROCM2.5G

Roots Organics CalMag 2.5 Gallon

MSRP:

Was: $171.99

Now: $99.95

Add to Cart
Quick view Details

Roots Organics
|
sku: ROCMG

Roots Organics CalMag Gallon

MSRP:

Was: $76.99

Now: $46.75

Add to Cart
Quick view Details

Roots Organics
|
sku: ROCMQ

Roots Organics CalMag Quart

MSRP:

Was: $22.99

Now: $13.80

Add to Cart
Quick view Details

General Hydroponics
|
sku: HGC718008

FloraPro Calcium + Micros 25lb

MSRP:

Was: $73.49

Now: $50.42

View Details
Quick view Details

General Hydroponics
|
sku: HGC733531

GH CALiMAGic 15 Gallon (Freight Only)

MSRP:

Was: $710.10

Now: $368.66

Add to Cart
Quick view Details

Monterey
|
sku: MBR5025

Monterey Epsom Salts 4 lb

MSRP:

Was: $13.25

Now: $12.66

Add to Cart
Quick view Details

Humboldt Nutrients
|
sku: HNCM405

Calyx Magnum Quart

MSRP:

Was: $20.70

Now: $13.46

Add to Cart
Quick view Details

Cutting Edge Solutions
|
sku: CES2804

Mag Amped 6 Gallon

MSRP:

Was: $379.99

Now: $227.99

Add to Cart
Quick view Details

Cutting Edge Solutions
|
sku: CES2802

Mag Amped Gallon

MSRP:

Was: $103.99

Now: $73.31

Add to Cart
Quick view Details

Cutting Edge Solutions
|
sku: CES2505

Plant Amp 6 Gallon

MSRP:

Was: $379.99

Now: $227.99

Add to Cart
Quick view Details

Grotek
|
sku: GT0006573

Grotek Vital, 23L

MSRP:

Was: $609.04

Now: $395.87

View Details
Quick view Details

Grotek
|
sku: GT0006572

Grotek Vital, 10L

MSRP:

Was: $295.27

Now: $200.79

Add to Cart
Quick view Details

Grotek
|
sku: GT0006571

Grotek Vital, 4L

MSRP:

Was: $134.69

Now: $91.59

Add to Cart
Quick view Details

Grotek
|
sku: GT0006570

Grotek Vital, 1L

MSRP:

Was: $42.41

Now: $30.10

Add to Cart
Quick view Details

Grotek
|
sku: GT0006569

Grotek Vital, 500ml

MSRP:

Was: $28.56

Now: $20.28

Add to Cart
Quick view Details

Cutting Edge Solutions
|
sku: CES3507

Amplified Cal-Mag 6 Gal

MSRP:

Was: $235.99

Now: $153.39

Add to Cart
Quick view Details

Cutting Edge Solutions
|
sku: CES3505

Amplified Cal-Mag 2.5 Gal

MSRP:

Was: $103.99

Now: $67.59

Add to Cart
Quick view Details

Cutting Edge Solutions
|
sku: CES3503

Amplified Cal-Mag Gallon

MSRP:

Was: $52.99

Now: $37.35

Add to Cart
Quick view Details

Cutting Edge Solutions
|
sku: CES3501

Amplified Cal-Mag Quart

MSRP:

Was: $20.99

Now: $14.79

Add to Cart
Quick view Details

Hydro Organics / Earth Juice
|
sku: HOJ13173

OilyCann 1 gal

MSRP:

Was: $29.96

Now: $21.36

Add to Cart
Quick view Details

Hydro Organics / Earth Juice
|
sku: HOJ13172

OilyCann 1qt

MSRP:

Was: $11.96

Now: $9.25

View Details
Quick view Details

Hydro Organics / Earth Juice
|
sku: HOEC35064

Elements Cal-n-Mag 2.5 Gal

MSRP:

Was: $62.86

Now: $44.80

View Details
Quick view Details

Hydro Organics / Earth Juice
|
sku: HOEC35063

Elements Cal-n-Mag Gal

MSRP:

Was: $29.58

Now: $21.08

View Details
Quick view Details

Hydro Organics / Earth Juice
|
sku: HOEC35062

Elements Cal-n-Mag Qt

MSRP:

Was: $9.99

Now: $7.72

View Details
Quick view Details

Humboldt Nutrients
|
sku: HNEQ420

Equilibrium Natural 5 Gal

MSRP:

Was: $373.30

Now: $205.32

View Details
Quick view Details

Humboldt Nutrients
|
sku: HNCM410

Calyx Magnum Gal

MSRP:

Was: $51.42

Now: $30.86

Add to Cart
Quick view Details

Foxfarm
|
sku: FX14296

Gringo Rasta Cal-Mag 5 gal

MSRP:

Was: $350.95

Now: $228.12

Add to Cart
Quick view Details

Roots Organics
|
sku: ROEL20

Elemental 20 lbs

MSRP:

Was: $128.99

Now: $77.40

View Details

Quick view

Athena
|
sku: LQ-CM-1G

Athena Cal-Mag Gallon

Athena CaMg is designed to supplement either of our 2-part liquid formulas. Some cultivars and growing conditions may require higher doses of Calcium, Magnesium, Iron and Nitrogen during heavy growth and development phases. This product effectively...

MSRP:

Now: $45.00

Add to Cart
Quick view

Athena
|
sku: LQ-CM-5G

Athena Cal-Mag 5 Gallon

Athena CaMg is designed to supplement either of our 2-part liquid formulas. Some cultivars and growing conditions may require higher doses of Calcium, Magnesium, Iron and Nitrogen during heavy growth and development phases. This product effectively...

MSRP:

Was: $200.00

Now: $140.00

Add to Cart
Quick view

Botanicare
|
sku: HGC732127

Botanicare Cal-Mag Plus 250 Gallon

Cal-Mag Plus is a highly fortified calcium, magnesium and iron plant supplement formulated to correct common deficiencies. Supplementing your preferred nutrient program with Cal-Mag Plus is strongly recommended when using reverse osmosis water and when...

MSRP:

Was: $10,082.74

Now: $5,231.53

Add to Cart
Quick view

Roots Organics
|
sku: ROCM5G

Roots Organics CalMag 5 Gallon

Roots Organics CalMag is a pure and all natural blend of calcium, magnesium and sulfur to support plants during fast growth. By creating a product free of added nitrogen, phosphate and potassium, we give you control to supplement as needed without...

MSRP:

Was: $299.99

Now: $167.00

Add to Cart
Quick view

Roots Organics
|
sku: ROCM2.5G

Roots Organics CalMag 2.5 Gallon

Roots Organics CalMag is a pure and all natural blend of calcium, magnesium and sulfur to support plants during fast growth. By creating a product free of added nitrogen, phosphate and potassium, we give you control to supplement as needed without...

MSRP:

Was: $171.99

Now: $99.95

Add to Cart
Quick view

Roots Organics
|
sku: ROCMG

Roots Organics CalMag Gallon

Roots Organics CalMag is a pure and all natural blend of calcium, magnesium and sulfur to support plants during fast growth. By creating a product free of added nitrogen, phosphate and potassium, we give you control to supplement as needed without...

MSRP:

Was: $76.99

Now: $46.75

Add to Cart
Quick view

Roots Organics
|
sku: ROCMQ

Roots Organics CalMag Quart

Roots Organics CalMag is a pure and all natural blend of calcium, magnesium and sulfur to support plants during fast growth. By creating a product free of added nitrogen, phosphate and potassium, we give you control to supplement as needed without...

MSRP:

Was: $22.99

Now: $13.80

Add to Cart
Quick view

General Hydroponics
|
sku: HGC718008

FloraPro Calcium + Micros 25lb

FloraPro Calcium + Micros is specially formulated for high value production crops where results and consistency are paramount. Our unique formulation and methodology produce superior results in large scale operations. Designed from the ground up for...

MSRP:

Was: $73.49

Now: $50.42

View Details
Quick view

General Hydroponics
|
sku: HGC733531

GH CALiMAGic 15 Gallon (Freight Only)

CALiMAGic is a concentrated blend of readily available calcium and magnesium. It is formulated to assist fast growing plants by preventing secondary nutrient deficiencies. CALiMAGic helps optimize plant nutrition and enhances plant growth and development...

MSRP:

Was: $710.10

Now: $368.66

Add to Cart
Quick view

Monterey
|
sku: MBR5025

Monterey Epsom Salts 4 lb

Promotes bloom in roses and other flowering plants. Absorbed through the roots and foliage of plant. Epsom Salts is a source of magnesium that is essential to plant development. It is required by plants to produce chlorophyll. It also helps plants absorb...

MSRP:

Was: $13.25

Now: $12.66

Add to Cart
Quick view

Humboldt Nutrients
|
sku: HNCM405

Calyx Magnum Quart

With an available 2% (N), 3.4% (Ca), and 1.4% (Mg) + micronutrients, Calyx Magnum gives gardeners vital nutrients needed for plant development and growth. Another huge benefit is that we created Calyx Magnum without the use of chemical chelates like...

MSRP:

Was: $20.70

Now: $13.46

Add to Cart
Quick view

Cutting Edge Solutions
|
sku: CES2804

Mag Amped 6 Gallon

Mag-Amped is a pure magnesium product combined with an organic surfactant that helps with uptake and overall solubility. Magnesium is essential for chlorophyll production in plants, and in turn chlorophyll is the component in photosynthesis, essentially...

MSRP:

Was: $379.99

Now: $227.99

Add to Cart
Quick view

Cutting Edge Solutions
|
sku: CES2802

Mag Amped Gallon

Mag-Amped is a pure magnesium product combined with an organic surfactant that helps with uptake and overall solubility. Magnesium is essential for chlorophyll production in plants, and in turn chlorophyll is the component in photosynthesis, essentially...

MSRP:

Was: $103.99

Now: $73.31

Add to Cart
Quick view

Cutting Edge Solutions
|
sku: CES2505

Plant Amp 6 Gallon

PLANT AMP is a chelated calcium product that also contains a proprietary organic plant stimulating ingredient. Calcium is the basis of cell wall development in a plant and the chelated calcium in PLANT AMP is extremely soluble, providing an easily...

MSRP:

Was: $379.99

Now: $227.99

Add to Cart
Quick view

Grotek
|
sku: GT0006573

Grotek Vital, 23L

Calcium is key to a plant’s success, and Grotek™ Vital™ gives growers a chance to get the level of calcium just right for their plants. As an isolated component, it is possible to dial in a precise level of calcium.The formula also...

MSRP:

Was: $609.04

Now: $395.87

View Details
Quick view

Grotek
|
sku: GT0006572

Grotek Vital, 10L

Calcium is key to a plant’s success, and Grotek™ Vital™ gives growers a chance to get the level of calcium just right for their plants. As an isolated component, it is possible to dial in a precise level of calcium.The formula also...

MSRP:

Was: $295.27

Now: $200.79

Add to Cart
Quick view

Grotek
|
sku: GT0006571

Grotek Vital, 4L

Calcium is key to a plant’s success, and Grotek™ Vital™ gives growers a chance to get the level of calcium just right for their plants. As an isolated component, it is possible to dial in a precise level of calcium.The formula also...

MSRP:

Was: $134.69

Now: $91.59

Add to Cart
Quick view

Grotek
|
sku: GT0006570

Grotek Vital, 1L

Calcium is key to a plant’s success, and Grotek™ Vital™ gives growers a chance to get the level of calcium just right for their plants. As an isolated component, it is possible to dial in a precise level of calcium.The formula also...

MSRP:

Was: $42.41

Now: $30.10

Add to Cart
Quick view

Grotek
|
sku: GT0006569

Grotek Vital, 500ml

Calcium is key to a plant’s success, and Grotek™ Vital™ gives growers a chance to get the level of calcium just right for their plants. As an isolated component, it is possible to dial in a precise level of calcium.The formula also...

MSRP:

Was: $28.56

Now: $20.28

Add to Cart
Quick view

Cutting Edge Solutions
|
sku: CES3507

Amplified Cal-Mag 6 Gal

Amplified Cal-Mag™The solution when plants demand elevated levels of calcium and magnesium above those provided by base nutrients or native soil. Accelerated grow environments and genetic composition of plants may demonstrate a need for...

MSRP:

Was: $235.99

Now: $153.39

Add to Cart
Quick view

Cutting Edge Solutions
|
sku: CES3505

Amplified Cal-Mag 2.5 Gal

Amplified Cal-Mag™The solution when plants demand elevated levels of calcium and magnesium above those provided by base nutrients or native soil. Accelerated grow environments and genetic composition of plants may demonstrate a need for...

MSRP:

Was: $103.99

Now: $67.59

Add to Cart
Quick view

Cutting Edge Solutions
|
sku: CES3503

Amplified Cal-Mag Gallon

Amplified Cal-Mag™The solution when plants demand elevated levels of calcium and magnesium above those provided by base nutrients or native soil. Accelerated grow environments and genetic composition of plants may demonstrate a need for...

MSRP:

Was: $52.99

Now: $37.35

Add to Cart
Quick view

Cutting Edge Solutions
|
sku: CES3501

Amplified Cal-Mag Quart

Amplified Cal-Mag™The solution when plants demand elevated levels of calcium and magnesium above those provided by base nutrients or native soil. Accelerated grow environments and genetic composition of plants may demonstrate a need for...

MSRP:

Was: $20.99

Now: $14.79

Add to Cart
Quick view

Hydro Organics / Earth Juice
|
sku: HOJ13173

OilyCann 1 gal

OilyCann™ is a natural calcium, magnesium & humic acid liquid plant supplement formulated with ZERO nitrogen. Horticulturally engineered for indoor/outdoor plants, hydroponics and soil gardening. Recommended for plants with calcium and magnesium...

MSRP:

Was: $29.96

Now: $21.36

Add to Cart
Quick view

Hydro Organics / Earth Juice
|
sku: HOJ13172

OilyCann 1qt

OilyCann™ is a natural calcium, magnesium & humic acid liquid plant supplement formulated with ZERO nitrogen. Horticulturally engineered for indoor/outdoor plants, hydroponics and soil gardening. Recommended for plants with calcium and magnesium...

MSRP:

Was: $11.96

Now: $9.25

View Details
Quick view

Hydro Organics / Earth Juice
|
sku: HOEC35064

Elements Cal-n-Mag 2.5 Gal

For use with planting mixes, native soils and as a hydroponic additive. Elements Cal-n-Mag is a calcium and magnesium formula developed for plants to help prevent and treat calcium and magnesium deficiencies. For use as a calcium and magnesium booster or...

MSRP:

Was: $62.86

Now: $44.80

View Details
Quick view

Hydro Organics / Earth Juice
|
sku: HOEC35063

Elements Cal-n-Mag Gal

For use with planting mixes, native soils and as a hydroponic additive. Elements Cal-n-Mag is a calcium and magnesium formula developed for plants to help prevent and treat calcium and magnesium deficiencies. For use as a calcium and magnesium booster or...

MSRP:

Was: $29.58

Now: $21.08

View Details
Quick view

Hydro Organics / Earth Juice
|
sku: HOEC35062

Elements Cal-n-Mag Qt

For use with planting mixes, native soils and as a hydroponic additive. Elements Cal-n-Mag is a calcium and magnesium formula developed for plants to help prevent and treat calcium and magnesium deficiencies. For use as a calcium and magnesium booster or...

MSRP:

Was: $9.99

Now: $7.72

View Details
Quick view

Humboldt Nutrients
|
sku: HNEQ420

Equilibrium Natural 5 Gal

Plants and gardens must have accessible calcium and magnesium to successfully grow, fruit and flower. In thorough tests conducted by the Humboldt Nutrients team throughout the hills and valleys of Northern California this specific solution of Ca and Mg...

MSRP:

Was: $373.30

Now: $205.32

View Details
Quick view

Humboldt Nutrients
|
sku: HNCM410

Calyx Magnum Gal

With an available 2% (N), 3.4% (Ca), and 1.4% (Mg) + micronutrients, Calyx Magnum gives gardeners vital nutrients needed for plant development and growth. Another huge benefit is that we created Calyx Magnum without the use of chemical chelates like...

MSRP:

Was: $51.42

Now: $30.86

Add to Cart
Quick view

Foxfarm
|
sku: FX14296

Gringo Rasta Cal-Mag 5 gal

Have you ever met a grower that was super stoked about blossom end rot or tip burn? No way! That's why FoxFarm brings you Gringo Rasta® Cal-Mag. Calcium and magnesium help strengthen cell walls and aid in fruit development, helping...

MSRP:

Was: $350.95

Now: $228.12

Add to Cart
Quick view

Roots Organics
|
sku: ROEL20

Elemental 20 lbs

Roots Organics Elemental macronutrient and micronutrient supplement was specifically created to augment calcium and magnesium levels and prevent deficiencies that can occur with fast-growing plants. Elemental contains two absolutely essential...

MSRP:

Was: $128.99

Now: $77.40

View Details

1
2
3
4
Next

1
2
3
4
Next

Compare Selected