How should I choose Grotek Monster Grow Pro?

Grotek Monster Grow Pro 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 5 purchasable options, and price, stock, weight, and dimensions can change by size.

Can Grotek Monster Grow Pro 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 Grotek Monster Grow Pro come in?

Grotek Monster Grow Pro is available in 5 options: 130 g, 500 g, 2.5 kg, 5 kg, 10 kg. Select your preferred size on the product page to see pricing and availability.

What is the return policy for Grotek products?

Toledo Indoor Garden accepts free 30-day parcel returns on unused, unopened Grotek 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.

Grotek Monster Grow Pro

SKU: GTMG6020

Size: 130 g

$13.99

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

Grotek Monster Grow Pro 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 5 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.

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Store Locator <footer class=" Monster Grow™ Pro is designed to improve plant growth by providing nutrients to support root development and overall canopy growth, resulting in high yield crops.

The quality ingredients within this product support plants from vegetative growth all the way through the transition to flowering.

Nitrogen derived from both mineral and organic sources contributes towards improved leaf production and size.

High levels of phosphorus, along with key proteins, support plant metabolism and contribute towards improved plant vigour.

Monster Grow™ Pro is an incredible addition to any fertility program.

For best results, add Grotek Monster Grow™ Pro to your nutrient solution during vegetative and pre-flower stages of crop growth.

NPK: 18-36-1.8 x 2.8 x 3.1 in, shipping weight 0.41 lbs. 5 kg, 5 kg, 10 kg; Weight: 0.41 lbs.

Dimensions: 2.8 x 2.8 x 3.1 in.

Available sizes: 130 g, 500 g, 2.5 kg, 5 kg, 10 kg.