Name: Limestone City Hydroponics
Price range: $$

CalMag Limestone City Nutrients

CalMag 2-0-0 is a concentrated calcium and magnesium supplement designed to prevent and correct common calcium and magnesium deficiencies. These two minerals are essential for healthy growth from seedling through harvest.

What does it do for plants?

Strengthens cell walls for sturdier stems and branches
Supports root development and overall plant vigor
Helps prevent calcium deficiencies such as blossom end rot in tomatoes and peppers
Improves chlorophyll production for greener leaves
Supports nutrient uptake and plant metabolism
Helps plants perform better under intense lighting
Provides supplemental iron for healthy green growth

How to use it

Add 1.2 mL to 2.5 mL per litre of water
Use once per week or with every feeding
Suitable during all growth stages, from vegetative growth through flowering and fruiting
Can be used in soil, coco, soilless media, and hydroponic systems

Great for

Cannabis
Tomatoes
Peppers
Cucumbers
Lettuce
Houseplants
Annual flowers
Perennials
Hydroponic crops
Container gardens

Especially beneficial for houseplants and tropicals such as monstera, philodendron, pothos, alocasia, anthurium, fiddle leaf figs, and palms. These plants are heavy feeders that often require additional calcium and magnesium to maintain strong growth and vibrant foliage. Regular use helps support larger leaves, stronger stems, healthy root development, and deeper green coloration while reducing the risk of common nutrient deficiencies. It’s an excellent supplement for plants grown under grow lights or in fast-draining potting mixes where calcium and magnesium can become depleted more quickly.

Description

CalMag 2-0-0

A concentrated blend of calcium and magnesium – essential elements for all stages of growth. Supplies your plants with the minerals they need, when they need it.

Directions

Add 1.2ml-2.5ml/L of water once per week, or with every feeding, during all stages of plant development, from vegetative through flowering.

Guaranteed Analysis

Total Nitrogen (N) …………………. 2%
2% Nitrate Nitrogen
Calcium (Ca) …………………………. 3.2%
Magnesium (Mg) …………………… 1.2%
1.2% Water Soluble Magnesium (Mg)
Iron (Fe)………………………………… 0.1%

Derived From

Calcium Nitrate, Magnesium Nitrate, Iron EDTA

PROUDLY MADE, BOTTLED, DISTRIBUTED & ARTWORK PAINTED IN KINGSTON, ONTARIO, CANADA

Additional information

Weight	5 lbs
Dimensions	10 × 6 × 8 in
Size	1L, 4L, 20L