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Green Leaf Aquariums is a leading planted aquarium brand with 20 years industry expertise in: professional lifetime aquarium CO2 systems, the finest quality aquarium plant fertilizers, thriving aquarium plants & tissue cultures, and specializing in custom hardscape design

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  • Green Leaf Aquariums, LLC
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Free GLA Substrate Fertilizer Capsules - promotion added to cart with orders $200+

Magnesium Sulfate (MgSO4) Aquarium Fertilizer - 1lb Jar

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Magnesium Sulfate MgSO4 - Aquarium Plant Nutrients

  • 1lb/Jar
  • provides Magnesium (Mg) and Sulfur (S) to aquarium plants, vital macronutrients
  • Magnesium Sulfate (MgSO4), aquarium plant nutrients vital for phosphorus uptake, providing (Mg) and (S) to plants.
  • use to raise general hardness (GH) in soft water
  • Magnesium is vital to chlorophyll molecules and the transport of Iron (Fe). Lack of Mg prevents plants from absorbing iron, resulting in yellow leaves with green veins, brown spots and distorted growth of leaves. Mg is highly mobile in plants, and signs of deficiency will first appear in older tissues and lastly the new growth. It's recommended to supplement with Magnesium as your tap water may not provide enough of this essential nutrient. Sulfur (S) is essential to root development in plants.
  • aids in photosynthesis, chlorophyll, enzyme activator, phosphorus uptake, nutrient and waste transfer, raise GH of soft water

Deficiency Symptoms: interveinal chlorosis of older leaves, pale or transparent distorted leaves, brown spots

Guaranteed Analysis:

  • Magnesium Sulfate Heptahydrate (MgSO4.7H2O)
  • Magnesium (Mg) - 10.0%
  • Sulfur (S) - 13.0%

How to dose Magnesium Sulfate MgSO4 in your planted aquarium

Learn everything you need to know about aquarium plant fertilizer, plant nutrients, optimal nutrient levels, and diy fertilizer dosing methods: Dry Fertilizer Calculator and Fertilizing Methods

Expect an increase of 1ppm Mg per every 384 milligrams (equivalent to 1/16 tsp) MgSO4.7H2O added to your 10gal aquarium to yield:

  • Mg 1ppm
  • S 1.32ppm
  • dGH 0.23

1 Review Hide Reviews Show Reviews

  • 5
    Great I’ve been using the pro kit now for 2 weeks even my outside pond plants are looking great

    Posted by Jimmy pickett on 1st Jul 2021

    Would recommend for anyone that loves a planted tank

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