How should I choose Hammerhead?

Hammerhead 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 3 purchasable options, and price, stock, weight, and dimensions can change by size.

Can Hammerhead 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 Hammerhead come in?

Hammerhead is available in 3 options: 500 mL, 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.

Hammerhead

SKU: AN-HAMMER-500

Size: 500 mL

$18.99

Available to Order (8 available)

Inventory may be in-store or supplier warehouse. Call 419-725-2450 to confirm same-day pickup.

Questions? Call 419-725-2450

Quick answer

Hammerhead 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 3 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.

Hammerhead is a proven PK bloom booster from Advanced Nutrients with an optimal 1:3 phosphorus-to-potassium ratio that fuels floral production during mid-to-late flowering.

The formula features zero added nitrogen to protect plants from toxicity, and uses potassium citrate to maximize nutrient uptake without the harm that can come from common chelators.

Fully compatible with all pH Perfect and non-pH Perfect base nutrients as well as competitors' products. 30 lbs, design Gray.

Weight: 1. 30 lbs.

Dimensions: 12 x 8 x 5 in.

Available sizes: 500 mL, 1 L, 4 L.

This Advanced Nutrients item is listed in Nutrients & Fertilizers under Bloom Boosters, giving shoppers a clear fit point in the Toledo Indoor Garden catalog.

PK Booster
Suitable for Mid-Late Bloom
Application: 2 mL/L
Genuine Advanced Nutrients product
Brand: Advanced Nutrients
Category: Nutrients & Fertilizers > Bloom Boosters

SKUAN-HAMMER-500

BrandAdvanced Nutrients

UPC8435679009443

Weight1.30 lbs

Dimensions12 x 8 x 5 in

TypePK Booster

Growth StageMid-Late Bloom

FormLiquid

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

Made InCanada

NPK0-9-6

Application Rate2 mL/L

ColorGray

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Hammerhead

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