How should I choose Heavy Harvest Spring?

Heavy Harvest Spring 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 2 purchasable options, and price, stock, weight, and dimensions can change by size.

Can Heavy Harvest Spring 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 Heavy Harvest Spring come in?

Heavy Harvest Spring is available in 2 options: 1 L, 4 L. Select your preferred size on the product page to see pricing and availability.

What is the return policy for Advanced Nutrients products?

Toledo Indoor Garden accepts returns within 30 days on unused, unopened Advanced Nutrients products in original packaging. Contact us for return authorization before mailing a return; customer-paid return shipping applies unless the item arrived damaged or defective.

Heavy Harvest Spring

SKU: AN-HH-SPRING-1L

Size: 1 L

$19.99

Available to Order (18 available)

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

Heavy Harvest Spring 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 2 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.

Heavy Harvest Spring is part of Advanced Nutrients' granular base fertilizer system built for outdoor cultivation at every scale.

This seasonal formula delivers nitrogen, calcium, micronutrients, and an overall NPK ratio tuned for the early vegetative stage when plants are establishing structure and building roots.

Simply top-dress your soil or substrate once or twice a month, and the granular formula integrates into the growing medium with regular watering.

Designed for commercial outdoor growers and anyone who wants premium cannabis-specific nutrition without daily liquid feeding. 50 lbs.

Weight: 2.50 lbs.

Dimensions: 14 x 10 x 7 in.

Available sizes: 1 L, 4 L.

Dry Outdoor Fertilizer
Suitable for Vegetative
Application: 1 tbsp per sq ft, once in spring
Genuine Advanced Nutrients product
Brand: Advanced Nutrients
Category: Nutrients & Fertilizers > Base Nutrients

SKUAN-HH-SPRING-1L

BrandAdvanced Nutrients

UPC

Weight2.50 lbs

Dimensions14 x 10 x 7 in

Shipping Package4 x 4 x 10 in

TypeDry Outdoor Fertilizer

Growth StageVegetative

FormLiquid

UseOutdoor

Brand TechnologypH Perfect Technology — automatically balances pH between 5.5-6.3

Made InCanada

NPK8-2-2

Application Rate1 tbsp per sq ft, once in spring

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Heavy Harvest Spring

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