How should I choose Neptune's Harvest Liquid Humate?

Neptune's Harvest Liquid Humate should be matched to your growing media, water source, crop stage, feeding style, and pH/EC monitoring plan. Choose the exact size or variant before adding to cart. This page has 4 purchasable options, and price, stock, weight, and dimensions can change by size.

Can Neptune's Harvest Liquid Humate ship in the United States?

Toledo Indoor Garden ships eligible products within the United States. Available shipping options, rates, and estimated delivery timing are calculated during checkout from the selected cart and destination address.

What sizes does Neptune's Harvest Liquid Humate come in?

Neptune's Harvest Liquid Humate is available in 4 options: 18 oz, 36 oz, 1 Gallon, 5 Gallon. Select your preferred size on the product page to see pricing and availability.

What is the return policy for Neptune's Harvest products?

Toledo Indoor Garden accepts free 30-day parcel returns on unused, unopened Neptune's Harvest products in original packaging after return authorization. Freight, LTL, oversized, special-order, or commercial items may require customer-paid return freight unless the item arrived damaged or defective.

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Neptune's Harvest Liquid Humate

SKU: NEPHU118

Size: 18 oz

$9.99

Available to Order

Inventory may be in-store or supplier warehouse. Call 419-725-2450 to confirm availability, handling timing, or shipping.

Questions? Call 419-725-2450

Quick answer

Neptune's Harvest Liquid Humate should be matched to your growing media, water source, crop stage, feeding style, and pH/EC monitoring plan.

Best fitGrowers building a nutrient program around a specific media type, water source, and crop stage.

Check before orderingChoose the exact size or variant before adding to cart. This page has 4 purchasable options, and price, stock, weight, and dimensions can change by size.

Grower tipStart from the label or feed chart, measure pH and EC, and increase strength only after plants show they are handling it.

Shopping guidance from Toledo Indoor Garden. Prices, availability, shipping rates, weights, and dimensions are verified during checkout.

Neptune's Harvest Liquid Humate concentrate contains vital elements for healthy soil in an easy to apply liquid form.

Extracted from the richest deposits of ancient lakebeds, this material is essentially peat moss that has decomposed for at least one million years.

It provides a wealth of valuable plant elements, holds water in the soil, feeds the living organisms in the soil, and releases locked-up nutrients for plant growth.

Weight: 1.5 lbs.

Dimensions: 8 x 4 x 2 in.

Available sizes: 18 oz, 36 oz, 1 Gallon, 5 Gallon.

Derived From: Humate concentrate (ancient lakebed deposits)
Application Rate: 1/8 tsp per gallon for foliar feed; 1 tbsp per gallon for soil applications
Made in Gloucester, MA from North Atlantic fish
Brand: Neptune's Harvest
Category: Nutrients & Fertilizers > Supplements & Additives
4 selectable options

SKUNEPHU118

BrandNeptune's Harvest

UPC081435918122

Weight1.50 lbs

Dimensions8 x 4 x 2 in

Shipping Package4 x 4 x 10 in

Sold Aseach

OMRI ListedNo

Derived FromHumate concentrate (ancient lakebed deposits)

Application Rate1/8 tsp per gallon for foliar feed; 1 tbsp per gallon for soil applications

Application DetailsFoliar Feed: 1/8 tsp per gallon of water. Soil Applications: 1 tbsp per gallon of water. Can be mixed with other Neptune's Harvest fertilizers.

Label ColorGreen

ManufacturerNeptune's Harvest

Made InGloucester, MA, USA

MaterialPeat

FormLiquid

Made InUSA (Massachusetts)

NotesCold-processed hydrolyzed fish and seaweed fertilizers

NPK0-0-1

TypeLiquid Humic Acid

Derived FromLeonardite humates

OMRI ListedYes