How should I choose Roots Organics Extreme Serene?

Roots Organics Extreme Serene 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 Roots Organics Extreme Serene 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 Roots Organics Extreme Serene come in?

Roots Organics Extreme Serene is available in 3 options: 1 Gallon, 2.5 Gallon, 5 Gallon. Select your preferred size on the product page to see pricing and availability.

What is the return policy for Roots Organics products?

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

Roots Organics Extreme Serene

SKU: ROES2.5G

Size: 2.5 Gallon

$340.20

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

Roots Organics Extreme Serene 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.

NPK: 0.25-0.1-2.

Roots Organics Extreme Serene is a natural source of botanical extracts and nutrients for plant growth.

Extreme Serene captures the growing power of diverse seaweeds to improve conditions for vigorous shoot and root growth.

Use Extreme Serene in conjunction with any nutrient program or as a foliar feed.

Derived From: Seaweed Extract (Ascophyllum nodosum, Chondrus crispus, Ecklonia maxima, Laminaria digitata, Palmaria palmata), Spirulina ALSO CONTAINS BENEFICIAL SUBSTANCES Saponins from Quillaja saponaria (wetting agent). 0.1% Application Rate: Soil Use Add 1 TBS (15 ml) per gallon.

Water in weekly.

Hydroponic Use Add 2 tsp – 1 TBS (10 ml – 15 ml) per gallon with every reservoir change.

Foliar Spray Add 1 tsp (5 ml) per quart/liter.

Apply weekly.

CDFA Certified Organic. 5G. 5G, UPC 609728632397, dimensions 8.8 x 7.3 x 14.7 in, shipping weight 27.2 lbs. 5 Gallon, 5 Gallon; Weight: 27.2 lbs.

Dimensions: 8.8 x 7.3 x 14.7 in.

Available sizes: 1 Gallon, 2.5 Gallon, 5 Gallon.

Liquid Kelp Concentrate
Suitable for Veg
Application: 1-2 tsp/gal
Genuine Roots Organics product
Brand: Roots Organics
Category: Nutrients & Fertilizers > Supplements & Additives

SKUROES2.5G

BrandRoots Organics

UPC609728632397

Weight27.2 lbs

Dimensions8.8 x 7.3 x 14.7 in

Shipping Package8 x 8 x 14 in

Sold Aseach

NPK0-0-1

TypeLiquid Kelp Concentrate

Growth StageVeg

IngredientsSeaweed Extract (Ascophyllum nodosum, Chondrus crispus, Ecklonia maxima, Laminaria digitata, Palmaria palmata), Spirulina ALSO CONTAINS BENEFICIAL SUBSTANCES Saponins from Quillaja saponaria (wetting agent)

Made InUSA (Oregon)

NotesAurora Innovations premium organic line

Application Rate1-2 tsp/gal

Derived FromAscophyllum nodosum (Norwegian kelp)

OMRI ListedYes

Capacity15 mL

FormSpray

Application RateSoil Use Add 1 TBS (15 ml) per gallon. Water in weekly. Hydroponic Use Add 2 tsp – 1 TBS (10 ml – 15 ml) per gallon with every reservoir change. Foliar Spray Add 1 tsp (5 ml) per quart/liter. Apply weekly.