How should I choose Grotek Growth Booster, 300 g?

Grotek Growth Booster, 300 g should be matched to your growing media, water source, crop stage, feeding style, and pH/EC monitoring plan. Confirm the listed SKU, dimensions, and ship weight match the version you want before checkout.

Can Grotek Growth Booster, 300 g 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.

Is Grotek Growth Booster, 300 g available to order?

Availability is shown on this page and may reflect in-store inventory or supplier warehouse inventory. Call Toledo Indoor Garden before ordering if you need availability, handling timing, or shipping confirmation.

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 Growth Booster, 300 g

Name: Grotek Growth Booster, 300 g
Brand: Grotek
SKU: GTGB300
Price: 165.99 USD
Availability: InStock

SKU: GTGB300

$165.99

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 Growth Booster, 300 g 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 orderingConfirm the listed SKU, dimensions, and ship weight match the version you want before checkout.

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.

Formulated to encourage early and vigorous growth, Growth Booster™ is an excellent supplement for growing plants. High nitrogen supports green growth while phosphorus supports photosynthetic energy production. The phosphorus also works to increase the metabolism of carbohydrates and aid in root development. Growth Booster is designed to be a one-time application product prior to the onset of flower development.

Directions for use:
Hydroponics: For every 10 L (2.5 gal) of growing solution in your reservoir, mix in 1 g (1/4 tsp) of Growth Booster™. Add directly to your reservoir when new growth is just starting. Mix it well. Cuttings can be watered once with Growth Booster. USE ONLY ONCE.

Soil/Soilless Applications: For every 10 L (2.5 gal) of water, mix in 1 g (1/4 tsp) of Growth Booster. Dissolve directly into your watering jug. Water each plant with 1/2 L (1/2 qt) of the mixture when you see new growth starting.USE ONLY ONCE. performance in all mediums and dissolves completely in water.

Nutrient Supplement
Suitable for Propagation/Seedling
Genuine Grotek product
Brand: Grotek
Category: Nutrients & Fertilizers > Supplements & Additives
Listed weight: 0.77 lbs

SKUGTGB300

BrandGrotek

UPC670829208637

Weight4.80 lbs

Dimensions4 x 3 x 6 in

Sold Aseach

TypeNutrient Supplement

Growth StagePropagation/Seedling

NPK N8%

NPK K0%

NPK P39%

NPK8-39-0