1 5

GSPlantFoods

GS Plant Foods Cal-Mag 420 Dry Super Concentrate, Makes 420 Gallons of Nutrient Solution, 18 Ounces, Calcium/Magnesium Fertilizer

GS Plant Foods Cal-Mag 420 Dry Super Concentrate, Makes 420 Gallons of Nutrient Solution, 18 Ounces, Calcium/Magnesium Fertilizer

$37.43 USD
$37.43 USD
Sale Sold out
Shipping calculated at checkout.

About This

  • Completely water soluble powder that makes 420 gallons of nutrient solution per container.
  • Plants require both primary nutrients and secondary nutrients. Cal-Mag 420 is packed with secondary nutrients, it contains Calcium 13%, Sulfur 4% and Magnesium 3%.
  • Beneficial to plants throughout all growth cycles and easily mixes with water to use during irrigation or as a foliar spray.
  • Easy-To-Use, perfect for all stages of plant growth, formulated for use in all soil, container, coco and hydro growing.

Overview

  • Brand : GS Plant Foods
  • Item Form : Powder
  • Liquid Volume : 532.08 Milliliters
  • Specific Uses For Product : Plant Growth
  • Manufacturer : GS Plant Foods
View full details
OUR BLOG

Latest Blog Posts

  Wooden chicken coop with happy hens at PrimeFarmSupply, designed for safety, comfort, and sustainable backyard farming

Chicken Coops for Every Flock | Comfort, Safety & Sustainability

See more
  Poultry Supplies at PrimeFarmSupply — chicken coops, feeders, nesting boxes, and sustainable farming tools for healthy backyard flocks

Poultry Supplies for Smart Farmers | Keep Your Flock Happy & Healthy

See more
  Farm and Livestock Supplies including chicken coop, rabbits, goats, and organic feed at PrimeFarmSupply — sustainable and efficient farm essentials.

Build a Better Farm — One Thoughtful Choice at a Time

See more

Frequently Asked Questions

Shipping fees are calculated separately at checkout. Orders under $75 have a flat rate of $4.90, and orders $75 or more ship free.

Orders usually arrive within 4–6 business days within the U.S.

Currently, we only ship within the United States.

Yes, returns are accepted within 30 days of delivery, as long as the product is unused and in original condition.