Amendments

  • Red Lake Earth 67% Diatomaceous Earth and 33% Montmorillonite 6 lb.

    Bentonite

    Bentonite

  • VanSil CS-1 50 lb bag.

    Wollastonite Calcium Silicate

    VanSil Wollastonite — Natural Calcium Silicate for Plants VANSIL wollastonite is the...

    Wollastonite Calcium Silicate

  • Solution Grade GYPSUM 50 lb.

    Gypsum & Calcium Sulfate Fertilizers

    Custom Hydro carries a complete range of gypsum and calcium sulfate fertilizers...

    Gypsum & Calcium Sulfate Fertilizers

  • FibreDust 5KG NAKED Coconut Coir Block

    Coconut coir

    Get Professional-Grade Coco Coir Products Are you a grower looking for the...

    Coconut coir

  • Coast of Maine Quoddy Blend Lobster Compost, 1 cu ft

    Compost

    Compost

  • Diatomaceous Earth Food Grade with Free Duster - 4 lb

    Diatomaceous Earth

    Diatomaceous Earth

  • Greensand

    Greensand

  • Humates

    Humates

  • Soluble Seaweed Extract 0-0-14 fertilizer 50 lb.

    Kelp-Seaweed

    Pure Kelp Boost for Lush Gardens   Enhance your organic garden with...

    Kelp-Seaweed

  • Calcium Carbonate 50 lb.

    Limestone-Calcitic-Dolomite

    Limestone-Calcitic-Dolomite

  • Molasses Crystals

    Molasses Crystals

  • Peat

    Peat

  • PERLITE 4 CU FT AEROSOIL Hort Grade

    Perlite

    Perlite

  • Rock Dust

    Rock Dust

  • Soil less mixes

    Soil less mixes

  • Struvite

    Struvite

  • Vermiculite Coarse A-3 - 4 cubic foot bag

    Vermiculite

    Vermiculite

  • Riverview Living Soils Bio-Boost fortified worm castings 0.5 cu ft bag — front view

    Worm Castings

    Worm Castings

Transform Your Soil for Better Results

From bagged composts to perlite, and from coconut coir to worm castings, Custom Hydro has it all when it comes to crafting your very own custom living soil! With soil amendments such as gypsum, soft rock phosphate and rock dusts, get ready to create a beautiful, healthy garden!
  • Algamin Kelp Meal Maxicrop 5 lb.
    Algamin Kelp Meal Maxicrop 5 lb.
    Grower Price
    Algamin Kelp Meal Maxicrop 5 lb.
    $16.51
    $19.49 $16.51
    Grower Price
  • Coast of Maine Quoddy Blend Lobster Compost, 1 cu ft
    Coast of Maine Quoddy Blend Lobster Compost, 1...
    Grower Price
    Coast of Maine Quoddy Blend Lobster Compost, 1...
    $13.15
    $23.95 $13.15
    Grower Price
  • Gaia Green Organics Greensand Gaia Green Organics Greensand
    Gaia Green Organics Greensand
    Gaia Green Organics Greensand
    From $19.98
    From $19.98
  • Ferti-Organic Neem Cake 50 lb. Ferti-Organic Neem Cake - 50 lb
    Ferti-Organic Neem Cake - 50 lb
    Grower Price
    Ferti-Organic Neem Cake - 50 lb
    $210.14
    $262.28 $210.14
    $4.20 lb
    Grower Price
  • Riverview Living Soils Bio-Boost fortified worm castings 0.5 cu ft bag — front view Close-up of Bio-Boost worm castings texture — rich, dark, biologically active soil amendment
    Riverview Living Soils Bio-Boost Fortified Worm Castings |...
    Riverview Living Soils Bio-Boost Fortified Worm Castings |...
    $24.99
    $24.99
  • White 2.5 gallon container of Ferti-Organic's Ferti-Soil label on a white background A short vide introduction to Ferti-Soil bio stimulant
    Ferti-Soil Microbial Soil Activator - 2.5 Gallon
    Grower Price
    Ferti-Soil Microbial Soil Activator - 2.5 Gallon
    $305.90
    $460.00 $305.90
    $122.36 gal
    Grower Price

Serving Arkansas, Kansas, Missouri and Oklahoma. Shipping Nationwide! Wholesale to the public!