How should I choose Grotek Pro-Silicate?

Grotek Pro-Silicate 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 Grotek Pro-Silicate 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 Pro-Silicate come in?

Grotek Pro-Silicate is available in 4 options: 1 Liter, 1 Gallon, 10 Liter, 23 Liter. 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 returns within 30 days on unused, unopened Grotek 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.

Grotek Pro-Silicate

SKU: GTPROS10L

Size: 10 Liter

$115.99

Available to Order (263 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

Grotek Pro-Silicate 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.

Grotek Pro-Silicate™ supplies soluble potash and silica to strengthen plant cell walls, improving stress resistance in soilless systems.

While not considered an essential element for most crops, silica helps virtually all plant species on the planet by supporting strong cell wall development.

Rigid cell walls are crucial for tolerance of abiotic stress such as heat and drought, which prevents wilting and ensures strong plant performance.

With two sources of potassium (potassium silicate and potassium chloride), Pro-Silicate™ adds the nutrients necessary for improved flowering and fruiting.

Use Pro-Silicate™ during vegetative and reproductive growth.

Watch pH as Pro-Silicate™ is a strong base.

NPK: 0-0-4. 0 x 7.0 x 11.5 in, shipping weight 25 lbs.

Weight: 25 lbs.

Dimensions: 9.0 x 7.0 x 11.5 in.

Available sizes: 1 Liter, 1 Gallon, 10 Liter, 23 Liter.

Silica Supplement
Suitable for All Stages
Genuine Grotek product
Brand: Grotek
Category: Nutrients & Fertilizers > Supplements & Additives
4 selectable options

SKUGTPROS10L

BrandGrotek

UPC670829208538

Weight25 lbs

Dimensions9.0 x 7.0 x 11.5 in

NPK0-0-4.

TypeSilica Supplement

Growth StageAll Stages

FormSoluble

CategorySupplements & Additives

Application RateApplication Rate: 1L makes 2000L of solution

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Grotek Pro-Silicate

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