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Cal Mag Additives

Cal Mag additives contain all the elements to keep your plants green and growing. This supplement can be used to correct calcium and magnesium defficiencies.
  • HydroDionnne Calcium Nitrate (15.5-0-0) - Hydrodionne
    HydroDionnne Calcium Nitrate (15.5-0-0) - Hydrodionne
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $13.95 - $16.95
    $13.95 - $16.95
    Current price $13.95

    Hydrodionnne Calcium Nitrate (15.5-0-0)

    HydroDionne

    HydroDionnne Calcium Nitrate (15.5-0-0) Is a highly formulated blend of Calcium, that promotes vigorous and healthy plant growth for both soil and ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $13.95 - $16.95
    $13.95 - $16.95
    Current price $13.95
  • Green Planet Nutrients - GREEN PLANET PRO CAL - Cal Mag Additives - Hydrodionne
    Green Planet Nutrients - GREEN PLANET PRO CAL - Cal Mag Additives - Hydrodionne
    Original price $13.95 - Original price $184.95
    Original price
    $13.95 - $184.95
    $13.95 - $184.95
    Current price $13.95

    Green Planet Pro Cal

    Green Planet Nutrients

    GREEN PLANET PRO CALProduct Code: 606512 – 0 – 0ADDITIVE NUTRIENT   VEGETATIVE STAGE   FLOWERING STAGE   LIQUID FERTILIZER   Calcium and magnesi...

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    Original price $13.95 - Original price $184.95
    Original price
    $13.95 - $184.95
    $13.95 - $184.95
    Current price $13.95
  • GH CALIMAGIC CALCIUM + MAGNESIUM - Hydroponics Club Canada
    GH CALIMAGIC CALCIUM + MAGNESIUM - Hydroponics Club Canada
    Original price $25.99 - Original price $64.99
    Original price
    $25.99 - $64.99
    $25.99 - $64.99
    Current price $25.99

    Gh Calimagic Calcium + Magnesium

    General Hydroponics

    General Hydroponics CALIMAGIC  provides the supplemental elements necessary to optimize plant nutrition and to prevent all-too-common problems.Calc...

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    Original price $25.99 - Original price $64.99
    Original price
    $25.99 - $64.99
    $25.99 - $64.99
    Current price $25.99
  • ADVANCED NUTRIENTS SENSI CAL-MAG XTRA - Hydroponics Club Canada
    ADVANCED NUTRIENTS SENSI CAL-MAG XTRA - Hydroponics Club Canada
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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $19.95 - $60.95
    $19.95 - $60.95
    Current price $19.95

    Advanced Nutrients Sensi Cal-Mag Xtra

    Advanced nutrients

    ADVANCED NUTRIENTS SENSI CAL-MAG XTRAFeed Your Crops the ExtraCalcium, Magnesium, and Iron They Need If You Use a Non-Advanced Base NutrientPlants ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $19.95 - $60.95
    $19.95 - $60.95
    Current price $19.95
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  • JURASSIC CAL-MAG 250G - HydroponicsClub
    JURASSIC CAL-MAG 250G - HydroponicsClub
    Original price $29.49 - Original price $169.49
    Original price
    $29.49 - $169.49
    $29.49 - $169.49
    Current price $29.49

    Jurassic Cal-Mag

    Jurassic

    Jurassic Cal-Mag Is a highly enriched formulated blend of Magnesium, Calcium and Iron, that promotes vigorous and healthy plant growth for both soi...

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    Original price $29.49 - Original price $169.49
    Original price
    $29.49 - $169.49
    $29.49 - $169.49
    Current price $29.49
  • NUTRI+ CM PLUS - HydroponicsClub
    NUTRI+ CM PLUS - HydroponicsClub
    Original price $13.49 - Original price $189.95
    Original price
    $13.49 - $189.95
    $13.49 - $189.95
    Current price $13.49

    Nutri+ Cm Plus

    Nutri+

    NUTRI+® CM PLUSSpecialized fertilizer for household plant gardeningNUTRI+® CM PLUS is a supplement of Nitrogen, Calcium, Magnesium and trace elemen...

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    Original price $13.49 - Original price $189.95
    Original price
    $13.49 - $189.95
    $13.49 - $189.95
    Current price $13.49
  • Fox Farm - Fox Farm Gringo Rasta Cal-Mag (N)1 – (P)0 – (K)0 - Cal Mag Additives - Hydrodionne
    Fox Farm - Fox Farm Gringo Rasta Cal-Mag (N)1 – (P)0 – (K)0 - Cal Mag Additives - Hydrodionne
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    Original price $25.99 - Original price $89.99
    Original price
    $25.99 - $89.99
    $25.99 - $89.99
    Current price $25.99

    Fox Farm Gringo Rasta Cal-Mag (N)1 – (P)0 – (K)0

    Fox Farm

    Strengthen cell walls & aid in fruit development. OMRI Listed® and Registered CDFA Organic Input Material. Helps you avoid  costly & frust...

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    Original price $25.99 - Original price $89.99
    Original price
    $25.99 - $89.99
    $25.99 - $89.99
    Current price $25.99
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  • Botanicare - Botanicare Cal-Mag Plus - Cal Mag Additives - Hydrodionne
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $30.99 - $166.99
    $30.99 - $166.99
    Current price $30.99

    Botanicare Cal-Mag Plus

    Botanicare

    Botanicare Cal-Mag Plus is a specialized calcium, magnesium & iron, plant supplement designed to compensate for deficiencies in some commercial...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $30.99 - $166.99
    $30.99 - $166.99
    Current price $30.99
  • Athena - ATHENA CAMG - Cal Mag Additives - Hydrodionne
    Athena - ATHENA CAMG - Cal Mag Additives - Hydrodionne
    Original price $65.00 - Original price $290.00
    Original price
    $65.00 - $290.00
    $65.00 - $290.00
    Current price $65.00

    Athena Camg

    Athena

    Athena CaMg is designed to supplement either of our 2-part liquid formulas. Some cultivars and growing conditions may require higher doses of Calci...

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    Original price $65.00 - Original price $290.00
    Original price
    $65.00 - $290.00
    $65.00 - $290.00
    Current price $65.00
  • General Hydroponics - GH CALIMAGIC CALCIUM + MAGNESIUM 22.7L - Cal Mag Additives - Hydrodionne
    Original price $347.19 - Original price $347.19
    Original price
    $347.19
    $347.19 - $347.19
    Current price $347.19

    Gh Calimagic Calcium + Magnesium 22.7L

    General Hydroponics

    General Hydroponics CALIMAGIC  provides the supplemental elements necessary to optimize plant nutrition and to prevent all-too-common problems.Cal...

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    Original price $347.19 - Original price $347.19
    Original price
    $347.19
    $347.19 - $347.19
    Current price $347.19
  • OPTIMUM OPTICAL - HydroponicsClub
    OPTIMUM OPTICAL - HydroponicsClub
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $12.95 - $37.49
    $12.95 - $37.49
    Current price $12.95

    Optimum Optical

    Optimum

    OPTIMUM OPTICALOptiCal-Mg is a powerful calcium and magnesium supplement with iron.It is formulated to make calcium and magnesium readily available...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $12.95 - $37.49
    $12.95 - $37.49
    Current price $12.95
  • Remo Nutrients MagNifiCal - Hydrodionne
    Remo Nutrients MagNifiCal - Hydrodionne
    Save up to 20% Save %
    Original price $22.95 - Original price $89.95
    Original price $22.95 - Original price $89.95
    Original price $22.95
    $18.36 - $71.96
    $18.36 - $71.96
    Current price $18.36

    Remo Nutrients Magnifical

    Remo Nutrients

    MagNifiCal is super chelated, resulting in a quicker uptake to your plants. This formula has been specially designed speed up absorption rates and ...

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    Original price $22.95 - Original price $89.95
    Original price $22.95 - Original price $89.95
    Original price $22.95
    $18.36 - $71.96
    $18.36 - $71.96
    Current price $18.36
    Save up to 20% Save %
  • OPTIMUM OPTICAL 20L - Hydrodionne
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $169.49
    $169.49 - $169.49
    Current price $169.49

    Optimum Optical 20L

    Optimum

    OPTIMUM OPTICAL 20L OptiCal-Mg is a powerful calcium and magnesium supplement with iron. It is formulated to make calcium and magnesium readily a...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $169.49
    $169.49 - $169.49
    Current price $169.49
  • Cyco Dr. Repair - Hydrodionne
    Cyco Dr. Repair - Hydrodionne
    Save up to 23% Save %
    Original price $36.95 - Original price $299.95
    Original price $36.95 - Original price $299.95
    Original price $36.95
    $25.95 - $230.00
    $25.95 - $230.00
    Current price $25.95

    Cyco Dr. Repair

    Cyco

    Cyco Platinum Series Dr. Repair is an additive used throughout the vegetative and flowering periods of plant growth to prevent chlorosis and sooth ...

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    Original price $36.95 - Original price $299.95
    Original price $36.95 - Original price $299.95
    Original price $36.95
    $25.95 - $230.00
    $25.95 - $230.00
    Current price $25.95
    Save up to 23% Save %
  • Current Culture - Current Culture H2O Cultured Solutions Coco Cal - Cal Mag Additives - Hydrodionne
    Save up to 33% Save %
    Original price $26.95 - Original price $59.95
    Original price $26.95 - Original price $59.95
    Original price $26.95
    $18.95 - $39.95
    $18.95 - $39.95
    Current price $18.95

    Current Culture H2O Cultured Solutions Coco Cal

    Current Culture

    Cultured Solutions Coco Cal is a concentrated blend of readily available Calcium and Magnesium. It is formulated to assist fast-growing plants by p...

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    Original price $26.95 - Original price $59.95
    Original price $26.95 - Original price $59.95
    Original price $26.95
    $18.95 - $39.95
    $18.95 - $39.95
    Current price $18.95
    Save up to 33% Save %
  • Grotek - GROTEK CAL-MAX - Cal Mag Additives - Hydrodionne
    Grotek - GROTEK CAL-MAX - Cal Mag Additives - Hydrodionne
    Original price $17.95 - Original price $114.95
    Original price
    $17.95 - $114.95
    $17.95 - $114.95
    Current price $17.95

    Grotek Cal-Max

    Grotek

    Cal-Max™ works to charge soilless media and bring plants back from common minor deficiencies associated with nutrient inbalance, rapid growth, or o...

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    Original price $17.95 - Original price $114.95
    Original price
    $17.95 - $114.95
    $17.95 - $114.95
    Current price $17.95
  • Technaflora - MagiCal 2-0-0 - Cal Mag Additives - Hydrodionne
    Technaflora - MagiCal 2-0-0 - Cal Mag Additives - Hydrodionne
    Save up to 27% Save %
    Original price $14.95 - Original price $126.95
    Original price $14.95 - Original price $126.95
    Original price $14.95
    $10.95 - $126.95
    $10.95 - $126.95
    Current price $10.95

    Magical 2-0-0

    Technaflora

    MagiCal 2-0-0 Say goodbye to a host of deficiency-related plant illnesses once and for all with MagiCal.Best used for: To bolster Magnesium, Calciu...

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    Original price $14.95 - Original price $126.95
    Original price $14.95 - Original price $126.95
    Original price $14.95
    $10.95 - $126.95
    $10.95 - $126.95
    Current price $10.95
    Save up to 27% Save %