CaNO3 UAE — Buy Calcium Nitrate for Hydroponics | Best Price, Fast Delivery

Posted by

12/05/2026

On 11/05/2026

🧪 Calcium Nitrate (CaNO3) — UAE Complete Guide

What is CaNO3 and why every UAE hydroponic grower needs it
Exact dosing for UAE water conditions (alkaline pH 7.5–8.5)
CaNO3 vs other calcium sources — comparison for UAE
How to mix safely without precipitation
Buy food-grade CaNO3 in UAE — AED 49.95, fast delivery

Calcium Nitrate, commonly written as CaNO3 or Ca(NO3)2, is the most important macronutrient fertilizer for hydroponic growing in the UAE. It supplies both calcium (essential for cell walls and fruit quality) and nitrogen (for vegetative growth) in a water-soluble form that plants can absorb immediately.

📊 Why CaNO3 Matters in UAE: UAE tap water already contains some calcium, but it’s mostly in forms plants can’t efficiently use. Calcium Nitrate provides immediately available ionic calcium that prevents blossom end rot in tomatoes, tip burn in lettuce, and promotes strong cell wall development in all crops.

What is Calcium Nitrate (CaNO3)?

Calcium Nitrate (Ca(NO3)2) is a white, water-soluble salt that provides two essential plant nutrients in one compound. When dissolved in water, it releases:

Component	Amount	Plant Function
Calcium (Ca)	~19%	Cell wall strength, fruit quality, prevents tip burn & blossom end rot
Nitrogen (N – Nitrate form)	~15.5%	Vegetative growth, chlorophyll production, protein synthesis

CaNO3 Dosing for UAE Hydroponics

Crop Type	CaNO3 Dose (per 100L)	Target EC	UAE pH Note
Leafy Greens (lettuce, herbs)	560 g	1.2 – 1.8 mS/cm	Reduce by 20% if using UAE tap water (already has Ca)
Fruiting Crops (tomatoes, cucumbers)	820 g	2.0 – 3.0 mS/cm	Full dose — fruiting crops need high calcium
Herbs (basil, mint)	420 g	0.8 – 1.4 mS/cm	Light feeding — herbs prefer lower EC
Seedlings (all)	200 g	0.5 – 1.0 mS/cm	Start low — young roots are sensitive

⚠️ Critical Mixing Warning: NEVER mix concentrated Calcium Nitrate directly with Magnesium Sulfate (Epsom Salt) or any sulfate solution. This causes a white precipitate (calcium sulfate) that removes both calcium and sulfate from solution. Always dissolve CaNO3 separately in half your water volume first, then add other nutrients.

CaNO3 vs Other Calcium Sources for UAE

Calcium Source	Solubility	Contains Nitrogen?	UAE Recommendation
Calcium Nitrate (CaNO3)	Very High	Yes (NO3 form)	✅ Best choice for hydroponics
Calcium Chloride (CaCl2)	High	No	⚠️ Use only as supplement — chloride buildup risk
Gypsum (CaSO4)	Very Low	No	❌ Not suitable for hydroponics — too insoluble
Limestone/Lime	Very Low	No	❌ Raises pH too much — not for UAE use

💡 UAE Tip: When growing with UAE tap water, your baseline calcium level is already elevated. This means you can sometimes reduce CaNO3 by 15–20% compared to RO water recipes. Always test your reservoir EC before adding — don’t exceed target EC levels.

Buy Calcium Nitrate in UAE

UAE Hydroponics stocks food-grade Calcium Nitrate for hydroponic growers across Dubai, Abu Dhabi, Sharjah, and all emirates. Our CaNO3 is:

Feature	Details
Grade	Food-grade, hydroponic-suitable
Purity	99%+ Ca(NO3)2
Form	White granular crystals — fully soluble
Price	AED 49.95
Delivery	1–2 days to Dubai, Abu Dhabi, Sharjah
Minimum order	None — order any quantity

🛒 Buy Calcium Nitrate (CaNO3) in UAE

Food-grade, 99% purity — AED 49.95 — Fast delivery to Dubai & Abu Dhabi

Buy CaNO3 Now →

🔑 Key Takeaways

CaNO3 provides both calcium (19%) and nitrogen (15.5%) — essential for all crops
Leafy greens: 560g/100L | Fruiting: 820g/100L | Herbs: 420g/100L
NEVER mix CaNO3 concentrate directly with sulfate solutions — dissolve separately
UAE tap water users: reduce dose 15–20% as tap water contains background calcium
Available in UAE for AED 49.95 with fast delivery across all emirates

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