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Mad Farmer
|
sku: MFCALMAG6G

Mad Farmer Cal Mag 6 Gallon

MSRP: $262.50

Was: $262.50

Now: $171.71

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Mad Farmer
|
sku: MFCALMAG55G

Mad Farmer Cal+Mag 55 Gallon

MSRP: $2,173.45

Was: $2,173.45

Now: $1,427.33

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Mad Farmer
|
sku: MFCALMAG2.5G

Mad Farmer Cal+Mag 2.5 Gallon

MSRP: $117.08

Was: $117.08

Now: $83.15

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Mad Farmer
|
sku: MFCALMAG1QT

Mad Farmer Cal+Mag 1 Quart

MSRP: $21.62

Was: $21.62

Now: $15.32

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Mad Farmer
|
sku: MFCALMAG1G

Mad Farmer Cal+Mag 1 Gallon

MSRP: $53.71

Was: $53.71

Now: $38.08

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House & Garden
|
sku: HGMBO20L

House & Garden Magnesium Boost- 20 Liter

MSRP: $682.50

Was: $682.50

Now: $446.42

Add to Cart
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House & Garden
|
sku: HGMBO05L

House & Garden Magnesium Boost- 5 Liter

MSRP: $179.55

Was: $179.55

Now: $127.23

Add to Cart
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House & Garden
|
sku: HGMBO01L

House & Garden Magnesium Boost- 1 Liter

MSRP: $38.56

Was: $38.56

Now: $27.33

Add to Cart
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Grotek
|
sku: GTCM10L

Cal Max 10 L

MSRP: $116.99

Was: $116.99

Now: $90.68

Add to Cart
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Foxfarm
|
sku: FX17250

Cultivation Nation Cal-Mag 5 Gallon

MSRP: $187.95

Was: $187.95

Now: $143.42

Add to Cart
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Foxfarm
|
sku: FX17240

Cultivation Nation Cal-Mag 2.5 Gallon

MSRP: $106.95

Was: $106.95

Now: $88.61

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Foxfarm
|
sku: FX17230

Cultivation Nation Cal-Mag Gallon

MSRP: $59.95

Was: $59.95

Now: $49.68

Add to Cart
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Foxfarm
|
sku: FX17210

Cultivation Nation Cal-Mag Quart

MSRP: $15.95

Was: $15.95

Now: $14.26

Add to Cart
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Foxfarm
|
sku: FX17200

Cultivation Nation Cal-Mag Pint

MSRP: $10.95

Was: $10.95

Now: $9.78

Add to Cart
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Foxfarm
|
sku: FX17030

FoxFarm Bush Doctor Cal-Mag, 1 gal

MSRP: $75.95

Was: $75.95

Now: $62.94

Add to Cart
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Foxfarm
|
sku: FX17020

FoxFarm Bush Doctor Cal-Mag, 1 qt

MSRP: $19.95

Was: $19.95

Now: $16.53

Add to Cart
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Foxfarm
|
sku: FX17010

FoxFarm Bush Doctor Cal-Mag, 1 pt

MSRP: $10.95

Was: $10.95

Now: $9.78

Add to Cart
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Emerald Triangle
|
sku: ETMAGGAL

Magnum Magnesium Supplement, 1 gal

MSRP: $43.99

Was: $43.99

Now: $33.81

Add to Cart
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Emerald Triangle
|
sku: ETMAG2.5GAL

Magnum Magnesium Supplement, 2.5 gal

MSRP: $87.99

Was: $87.99

Now: $67.64

Add to Cart
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Bountea
|
sku: BN3625

Bountea Cal-Mag, 2.5 gal

MSRP: $119.99

Was: $119.99

Now: $56.26

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Bountea
|
sku: BN3610

Bountea Cal-Mag, 1 gal

MSRP: $49.99

Was: $49.99

Now: $23.51

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Athena
|
sku: LQ-CM-1G

Athena Cal-Mag Gallon

MSRP: $45.00

Was: $45.00

Now: $35.72

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Athena
|
sku: LQ-CM-5G

Athena Cal-Mag 5 Gallon

MSRP: $200.00

Was: $200.00

Now: $137.59

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Botanicare
|
sku: HGC732127

Botanicare Cal-Mag Plus 250 Gallon

MSRP: $10,904.48

Was: $10,904.48

Now: $6,108.10

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Roots Organics
|
sku: ROCM5G

Roots Organics CalMag 5 Gallon

MSRP: $346.49

Was: $346.49

Now: $210.27

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Roots Organics
|
sku: ROCM2.5G

Roots Organics CalMag 2.5 Gallon

MSRP: $198.44

Was: $198.44

Now: $125.72

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Roots Organics
|
sku: ROCMG

Roots Organics CalMag Gallon

MSRP: $89.24

Was: $89.24

Now: $59.08

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Roots Organics
|
sku: ROCMQ

Roots Organics CalMag Quart

MSRP: $26.76

Was: $26.76

Now: $15.75

Add to Cart
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General Hydroponics
|
sku: HGC733531

GH CALiMAGic 15 Gallon (Freight Only)

MSRP: $767.97

Was: $767.97

Now: $430.42

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Monterey
|
sku: MBR5025

Monterey Epsom Salts 4 lb

MSRP:

Now: $17.59

Add to Cart
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Humboldt Nutrients
|
sku: HNCM405

Calyx Magnum Quart

MSRP: $21.99

Was: $21.99

Now: $15.59

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Cutting Edge Solutions
|
sku: CES2804

Mag Amped 6 Gallon

MSRP: $420.99

Was: $420.99

Now: $269.00

Add to Cart

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Mad Farmer
|
sku: MFCALMAG6G

Mad Farmer Cal Mag 6 Gallon

Mad Farmers Cal+Mag is a readily available Calcium/Magnesium supplement designed to improve soil nutrient conditions for better plant mass and prevent nutrient deficiency-based plant disorders due to with Calcium/Magnesium deficiencies such as blossom...

MSRP: $262.50

Was: $262.50

Now: $171.71

Add to Cart
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Mad Farmer
|
sku: MFCALMAG55G

Mad Farmer Cal+Mag 55 Gallon

Mad Farmers Cal+Mag is a readily available Calcium/Magnesium supplement designed to improve soil nutrient conditions for better plant mass and prevent nutrient deficiency-based plant disorders due to with Calcium/Magnesium deficiencies such as blossom...

MSRP: $2,173.45

Was: $2,173.45

Now: $1,427.33

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Mad Farmer
|
sku: MFCALMAG2.5G

Mad Farmer Cal+Mag 2.5 Gallon

Mad Farmers Cal+Mag is a readily available Calcium/Magnesium supplement designed to improve soil nutrient conditions for better plant mass and prevent nutrient deficiency-based plant disorders due to with Calcium/Magnesium deficiencies such as blossom...

MSRP: $117.08

Was: $117.08

Now: $83.15

Add to Cart
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Mad Farmer
|
sku: MFCALMAG1QT

Mad Farmer Cal+Mag 1 Quart

Mad Farmers Cal+Mag is a readily available Calcium/Magnesium supplement designed to improve soil nutrient conditions for better plant mass and prevent nutrient deficiency-based plant disorders due to with Calcium/Magnesium deficiencies such as blossom...

MSRP: $21.62

Was: $21.62

Now: $15.32

Add to Cart
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Mad Farmer
|
sku: MFCALMAG1G

Mad Farmer Cal+Mag 1 Gallon

Mad Farmers Cal+Mag is a readily available Calcium/Magnesium supplement designed to improve soil nutrient conditions for better plant mass and prevent nutrient deficiency-based plant disorders due to with Calcium/Magnesium deficiencies such as blossom...

MSRP: $53.71

Was: $53.71

Now: $38.08

Add to Cart
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House & Garden
|
sku: HGMBO20L

House & Garden Magnesium Boost- 20 Liter

House & Garden Magnesium Boost Magnesium Boost supports longer vegetative growth and larger-leafed varieties by supplying additional magnesium and nitrogen. Magnesium and nitrogen are central components of chlorophyll, the plant pigment that absorbs...

MSRP: $682.50

Was: $682.50

Now: $446.42

Add to Cart
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House & Garden
|
sku: HGMBO05L

House & Garden Magnesium Boost- 5 Liter

House & Garden Magnesium Boost Magnesium Boost supports longer vegetative growth and larger-leafed varieties by supplying additional magnesium and nitrogen. Magnesium and nitrogen are central components of chlorophyll, the plant pigment that absorbs...

MSRP: $179.55

Was: $179.55

Now: $127.23

Add to Cart
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House & Garden
|
sku: HGMBO01L

House & Garden Magnesium Boost- 1 Liter

House & Garden Magnesium Boost Magnesium Boost supports longer vegetative growth and larger-leafed varieties by supplying additional magnesium and nitrogen. Magnesium and nitrogen are central components of chlorophyll, the plant pigment that absorbs...

MSRP: $38.56

Was: $38.56

Now: $27.33

Add to Cart
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Grotek
|
sku: GTCM10L

Cal Max 10 L

During periods of high temperatures and accelerated growth, plants can develop nutrient deficiencies, which are preventable. Cal-Max™ was developed to provide the additional calcium, magnesium and iron needed to support peak production...

MSRP: $116.99

Was: $116.99

Now: $90.68

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Foxfarm
|
sku: FX17250

Cultivation Nation Cal-Mag 5 Gallon

Cultivation Nation® Cal-Mag is a supplement for use during fruiting and flowering to address nutrient deficiency problems that can occur in hydroponic, soil and both small and large-scale growing environments.Mix 1 Tbsp (15 mL) per gallon (4 L)...

MSRP: $187.95

Was: $187.95

Now: $143.42

Add to Cart
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Foxfarm
|
sku: FX17240

Cultivation Nation Cal-Mag 2.5 Gallon

Cultivation Nation® Cal-Mag is a supplement for use during fruiting and flowering to address nutrient deficiency problems that can occur in hydroponic, soil and both small and large-scale growing environments.Mix 1 Tbsp (15 mL) per gallon (4 L)...

MSRP: $106.95

Was: $106.95

Now: $88.61

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Foxfarm
|
sku: FX17230

Cultivation Nation Cal-Mag Gallon

Cultivation Nation® Cal-Mag is a supplement for use during fruiting and flowering to address nutrient deficiency problems that can occur in hydroponic, soil and both small and large-scale growing environments.Mix 1 Tbsp (15 mL) per gallon (4 L)...

MSRP: $59.95

Was: $59.95

Now: $49.68

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Foxfarm
|
sku: FX17210

Cultivation Nation Cal-Mag Quart

Cultivation Nation® Cal-Mag is a supplement for use during fruiting and flowering to address nutrient deficiency problems that can occur in hydroponic, soil and both small and large-scale growing environments.Mix 1 Tbsp (15 mL) per gallon (4 L)...

MSRP: $15.95

Was: $15.95

Now: $14.26

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Foxfarm
|
sku: FX17200

Cultivation Nation Cal-Mag Pint

Cultivation Nation® Cal-Mag is a supplement for use during fruiting and flowering to address nutrient deficiency problems that can occur in hydroponic, soil and both small and large-scale growing environments.Mix 1 Tbsp (15 mL) per gallon (4 L)...

MSRP: $10.95

Was: $10.95

Now: $9.78

Add to Cart
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Foxfarm
|
sku: FX17030

FoxFarm Bush Doctor Cal-Mag, 1 gal

Cal-Mag Supplement1 - 0 - 0, 3% Calcium 0.9% Magnesium Nobody likes blossom end rot or tip burn. That’s why FoxFarm brings you BUSH DOCTOR® CAL-MAG. Calcium and magnesium help strengthen cell walls and aid in fruit development, helping you...

MSRP: $75.95

Was: $75.95

Now: $62.94

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Foxfarm
|
sku: FX17020

FoxFarm Bush Doctor Cal-Mag, 1 qt

Cal-Mag Supplement1 - 0 - 0, 3% Calcium 0.9% Magnesium Nobody likes blossom end rot or tip burn. That’s why FoxFarm brings you BUSH DOCTOR® CAL-MAG. Calcium and magnesium help strengthen cell walls and aid in fruit development, helping you...

MSRP: $19.95

Was: $19.95

Now: $16.53

Add to Cart
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Foxfarm
|
sku: FX17010

FoxFarm Bush Doctor Cal-Mag, 1 pt

Cal-Mag Supplement1 - 0 - 0, 3% Calcium 0.9% Magnesium Nobody likes blossom end rot or tip burn. That’s why FoxFarm brings you BUSH DOCTOR® CAL-MAG. Calcium and magnesium help strengthen cell walls and aid in fruit development, helping you...

MSRP: $10.95

Was: $10.95

Now: $9.78

Add to Cart
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Emerald Triangle
|
sku: ETMAGGAL

Magnum Magnesium Supplement, 1 gal

Magnum with Vitamin B1 is a potent magnesium supplement for preventing or treating the magnesium deficiency that often appears during bloom. Chlorophyll deficiency in the bloom stage causes fading leaves right when flowers are putting on mass at a rapid...

MSRP: $43.99

Was: $43.99

Now: $33.81

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Emerald Triangle
|
sku: ETMAG2.5GAL

Magnum Magnesium Supplement, 2.5 gal

Magnum with Vitamin B1 is a potent magnesium supplement for preventing or treating the magnesium deficiency that often appears during bloom. Chlorophyll deficiency in the bloom stage causes fading leaves right when flowers are putting on mass at a rapid...

MSRP: $87.99

Was: $87.99

Now: $67.64

Add to Cart
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Bountea
|
sku: BN3625

Bountea Cal-Mag, 2.5 gal

Bountea Cal-Mag is a liquid plant nutrient product providing essential trace elements for plant vitality. Bountea Cal-Mag is complimentary to the Bountea Growing System and comparable to other top shelf liquid products. Bountea Cal-Mag...

MSRP: $119.99

Was: $119.99

Now: $56.26

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Bountea
|
sku: BN3610

Bountea Cal-Mag, 1 gal

Bountea Cal-Mag is a liquid plant nutrient product providing essential trace elements for plant vitality. Bountea Cal-Mag is complimentary to the Bountea Growing System and comparable to other top shelf liquid products. Bountea Cal-Mag...

MSRP: $49.99

Was: $49.99

Now: $23.51

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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: $45.00

Was: $45.00

Now: $35.72

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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: $200.00

Was: $200.00

Now: $137.59

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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: $10,904.48

Was: $10,904.48

Now: $6,108.10

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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: $346.49

Was: $346.49

Now: $210.27

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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: $198.44

Was: $198.44

Now: $125.72

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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: $89.24

Was: $89.24

Now: $59.08

Add to Cart
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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: $26.76

Was: $26.76

Now: $15.75

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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: $767.97

Was: $767.97

Now: $430.42

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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:

Now: $17.59

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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: $21.99

Was: $21.99

Now: $15.59

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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: $420.99

Was: $420.99

Now: $269.00

Add to Cart

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