Questions? Feedback? powered by Olark live chat software
Skip to main content
FREE STANDARD SHIPPING ON $125+ to USA details
Free GLA Substrate Fertilizer Capsules - promotion added to cart with orders $200+

Macronutrients

  • Green Leaf Aquariums Potassium Nitrate KNO3 - 1lb Bag
    Add to Cart category.add_cart_announcement

    GLA

    Potassium Nitrate (KNO3) - 1lb (Bag)

    $3.50

    Provides nitrogen (N) and potassium (K) to plants. Macronutrients essential for healthy plant growth and survival. 1 lb Guaranteed Analysis Total Nitrogen(N) ....................13.7% 13.7% Nitrate Nitrogen Soluble Potash(K2O) ................46%...

  • Green Leaf Aquariums Potassium Nitrate KNO3 - 1lb Jar
    Add to Cart category.add_cart_announcement

    GLA

    Potassium Nitrate (KNO3) - 1lb (Jar)

    $5.00

    Provides nitrogen (N) and potassium (K) to aquarium plants. Macronutrients essential for healthy plant growth and survival. N = Nitrogen = chlorophyll, photosynthesis, proteins, enzymes, nucleic acids, amino acids, potassium absorption, metabolism, rapid...

  • Green Leaf Aquariums Potassium Sulfate K2SO4 - 1lb Bag
    Add to Cart category.add_cart_announcement

    GLA

    Potassium Sulfate (K2SO4) - 1lb (Bag)

    $3.50

    Contains 44.9% potassium (K). Use to provide extra potassium. A macronutrient essential for healthy plant growth. 1 lb Guaranteed Analysis: Soluble Potash(K2O) ............. 52% Sulfur(S) ............................ 18% Research before your fertilize...

  • Green Leaf Aquariums Potassium Sulfate K2SO4 - 1lb Jar
    Add to Cart category.add_cart_announcement

    GLA

    Potassium Sulfate (K2SO4) - 1lb (Jar)

    $5.00

    Contains 44.9% potassium (K). Use to provide extra potassium. A macronutrient essential for healthy plant growth. 1 lb Guaranteed Analysis: Soluble Potash(K2O) ............. 52% Sulfur(S) ............................ 18% Research before your fertilize...

  • Green Leaf Aquariums Mono Potassium Phosphate KH2PO4 - 1lb Bag
    Add to Cart category.add_cart_announcement

    GLA

    Mono Potassium Phosphate (KH2PO4) - 1lb (Bag)

    $3.50

    Contains phosphorous (P) and potassium (K). Macronutrients essential for healthy plant growth and survival. 1 lb Guaranteed Analysis:Available Phosphate(P2O5) ....................52%Soluble Potash(K2O)............................. 34% Research before...

  • Green Leaf Aquariums Mono Potassium Phosphate KH2PO4 - 1lb Jar
    Add to Cart category.add_cart_announcement

    GLA

    Mono Potassium Phosphate (KH2PO4) - 1lb (Jar)

    $5.00

    Contains phosphorous (P) and potassium (K). Macronutrients essential for healthy plant growth and survival. 1 lb Guaranteed Analysis:Available Phosphate(P2O5) ....................52%Soluble Potash(K2O)............................. 34% Research before...

  • Green Leaf Aquariums Magnesium Sulfate MgSO4 - 1lb Bag
    Add to Cart category.add_cart_announcement

    GLA

    Magnesium Sulfate (MgSO4) - 1lb (Bag)

    $3.50

    Provides magnesium (Mg). An essential micronutrient. 1 lb GUARANTEED ANALYSIS (%) Magnesium Sulfate Heptahydrate(MgSO4.7H2O) Magnesium (Mg) ............................ 10.0% Sulfur(S) ...................................... 13.0% Research before your...

  • Green Leaf Aquariums Magnesium Sulfate MgSO4 - 1lb Jar
    Add to Cart category.add_cart_announcement

    GLA

    Magnesium Sulfate (MgSO4) - 1lb (Jar)

    $5.00

    Provides magnesium (Mg). An essential micronutrient. 1 lb GUARANTEED ANALYSIS (%) Magnesium Sulfate Heptahydrate(MgSO4.7H2O) Magnesium (Mg) ............................ 10.0% Sulfur(S) ...................................... 13.0% Research before your...

  • Green Leaf Aquariums Calcium Sulfate CaSO4 - 1lb Bag
    Add to Cart category.add_cart_announcement

    GLA

    Calcium Sulfate (CaSO4) - 1lb (Bag)

    $3.50

    Calcium Sulfate (CaSO4) CaSO4*2pO 1 lb Use to provide Calcium (Ca) to plants. GUARANTEED ANALYSIS (%) Calcium Sulfate Dihydrate(CaSO4.2pO) 97% Calcium(Ca) ......................................22.5% Sulfur(S) ..........................................18...

  • Green Leaf Aquariums Calcium Sulfate CaSO4 - 1lb Jar
    Add to Cart category.add_cart_announcement

    GLA

    Calcium Sulfate (CaSO4) - 1lb (Jar)

    $5.00

    Calcium Sulfate (CaSO4) CaSO4*2pO 1 lb Use to provide Calcium (Ca) to plants. GUARANTEED ANALYSIS (%) Calcium Sulfate Dihydrate(CaSO4.2pO) 97% Calcium(Ca) ......................................22.5% Sulfur(S) ..........................................18...

  • Green Leaf Aquariums The Ultimate GH Booster - 1lb Bag
    Add to Cart category.add_cart_announcement

    GLA

    The Ultimate GH Booster - 1lb (Bag)

    $5.00

    A mix of essential macro and micronutrients. Use to provide Calcium and Magnesium. Use to boost the general hardness (GH) of soft water or RO (reverse osmosis) water. 1 lb The Ultimate GH Booster Contains: Potassium Sulfate (K2SO4) Calcium Sulfate...

  • Green Leaf Aquariums The Ultimate GH Booster - 1lb Jar
    Add to Cart category.add_cart_announcement

    GLA

    The Ultimate GH Booster - 1lb (Jar)

    $6.50

    A mix of essential macro and micronutrients. Use to provide Calcium and Magnesium. Use to boost the general hardness (GH) of soft water or RO (reverse osmosis) water. 1 lb The Ultimate GH Booster Contains: Potassium Sulfate (K2SO4) Calcium Sulfate...

  • Green Leaf Aquariums Calcium Nitrate CaNO32 - 1lb Bag
    Add to Cart category.add_cart_announcement

    GLA

    Calcium Nitrate Ca(NO3)2 - 1lb (Bag)

    $3.50

    Calcium NitrateCa(NO3)2 1 lb Use to provide Calcium (Ca) and Nitrogen (N) to plants. Research before your fertilize. For fertilizing methods and resources, please review our journal article: GLA Dry Fertilizer Calculators & Fertilizing Methods.

  • Green Leaf Aquariums Calcium Nitrate CaNO32 - 1lb Jar
    Add to Cart category.add_cart_announcement

    GLA

    Calcium Nitrate Ca(NO3)2 - 1lb (Jar)

    $5.00

    Calcium NitrateCa(NO3)2 1 lb Use to provide Calcium (Ca) and Nitrogen (N) to plants. Research before your fertilize. For fertilizing methods and resources, please review our journal article: GLA Dry Fertilizer Calculators & Fertilizing Methods.

  • Green Leaf Aquariums Magnesium Nitrate MgNO32 - 1lb Bag
    Add to Cart category.add_cart_announcement

    GLA

    Magnesium Nitrate Mg(NO3)2 - 1lb (Bag)

    $3.50

    Magnesium Nitrate Mg(NO3)2 1 lb Research before your fertilize. For fertilizing methods and resources, please review our journal article: GLA Dry Fertilizer Calculators & Fertilizing Methods.

  • Green Leaf Aquariums Magnesium Nitrate MgNO32 - 1lb Jar
    Add to Cart category.add_cart_announcement

    GLA

    Magnesium Nitrate Mg(NO3)2 - 1lb (Jar)

    $5.00

    Magnesium Nitrate Mg(NO3)2 1 lb Research before your fertilize. For fertilizing methods and resources, please review our journal article: GLA Dry Fertilizer Calculators & Fertilizing Methods.

  • Green Leaf Aquariums 1000mL 32oz Fertilizer Dispenser
    Add to Cart category.add_cart_announcement

    GLA

    1000mL (32oz) Fertilizer Dispenser

    $10.00

    Use for quick and easy dosing on a daily basis. Prepare fertilizer or supplement in advance, store in dispenser, and dose accurate measurements as needed. Measure just the right amount of liquid without spillage or loss of product. To use dispensing...

  • Green Leaf Aquariums 500mL 16oz Fertilizer Dispenser
    Add to Cart category.add_cart_announcement

    GLA

    500mL (16oz) Fertilizer Dispenser

    $5.00

    Use for quick and easy dosing on a daily basis. Prepare fertilizer or supplement in advance, store in dispenser, and dose accurate measurements as needed. Measure just the right amount of liquid without spillage or loss of product. To use dispensing...

  • Green Leaf Aquariums GLA Substrate Fertilizer Capsules
    Add to Cart category.add_cart_announcement

    GLA

    GLA Substrate Fertilizer Capsules

    $19.99

    GLA Substrate Fertilizer -premium nutrition capsules for aquarium substrate slow release of nutrients to plant roots, up to 90 days shrimp safe, does not contain Copper Cu Provides macronutrients, essential micros, humic acid, & trace minerals...