BioBizz - Calmag

BIOBIZZSKU: 83621

Size: 250ml
Price:
Sale price£5.49

BioBizz Calmag – Organic Calcium & Magnesium Supplement

Growing in soft water or using reverse osmosis? You’ll need to supplement calcium and magnesium to avoid key deficiencies—and that’s where BioBizz Calmag steps in. It’s the all-natural solution designed to support healthy growth, stronger plants, and proper nutrient uptake—without compromising your organic grow.

New to BioBizz? Try a Starter Pack or Try Pack to get growing organically.

Key Benefits of BioBizz Calmag

  • Fixes soft water issues – essential for RO systems or low-mineral tap water
  • Strengthens cell walls – supports immunity and resistance to stress
  • Improves photosynthesis – thanks to magnesium’s key role in chlorophyll
  • Prevents lockout during bloom – maintains nutrient balance even when PK boosters are added
  • 100% organic – fully natural and safe for use in soil, coco, or hydroponics

How BioBizz Calmag Works

Soft or purified water lacks essential secondary nutrients like calcium and magnesium. These are vital for overall plant strength, nutrient transport, and chlorophyll production. Without them, plants suffer stunted growth, yellowing leaves, and lower yields—especially during heavy feeding in flower. BioBizz Calmag delivers a precise organic dose of Ca and Mg to correct and prevent deficiencies, keeping plants firing on all cylinders.

It also works to prevent lockout caused by excess potassium and phosphorus during bloom—something most mineral PK boosters can’t do naturally. It's thinner than most BioBizz nutrients, so it can even be used in hydro systems with care.

Recommended Dosages

  • Prevention (Soil): 0.3 – 0.8ml/L
  • Prevention (Hydro/Coco): 0.5 – 1ml/L
  • Correction (Soil): 0.3 – 1.2ml/L
  • Correction (Hydro/Coco): 0.5 – 1.4ml/L

Stir well before adding other nutrients. Adjust pH to around 6.5 for soil or 5.8 for coco/hydro using BioBizz pH Up or BioBizz pH Down.

Pair with These for Best Results

Explore the full BioBizz range here

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