Extreme Serene


Roots Organics Extreme Serene (0.25-0.1-2) is a natural source of growth-promoting nutrients and botanical extracts. Extreme Serene captures the fast-growing power of select marine kelp species to encourage vigorous shoot and root growth. Use Extreme Serene in conjunction with any nutrient program or as a foliar feed.

Available in FOUR convenient sizes.


Soil: Mix 1 Tbsp per gallon. Water in weekly.

Hydroponics: Use 2 tsp to 1 Tbsp per gallon with every reservoir change.

Foliar Spray: Mix 1 tsp per quart. Apply weekly.

Guaranteed Analysis (0.25-0.1-2):
Total Nitrogen …………….. 0.25%
0.1% …. Water Soluble Nitrogen
0.15% Water Insoluble Nitrogen
Available Phosphate ….….. 2.0%
Soluble Potash ……………… 2.0%

Feeding Schedule (PDF)
Master Feeding Schedule (PDF)

Derived From: Seaweed Extract (Ascophyllum nodosum, Chondrus crispus, Ecklonia maxima, Laminaria digitata, Palmaria palmata), Spirulina

Also Contains Non-Plant Food Ingredients:
0.1% Saponins from Quillaja saponaria (wetting agent)