Liquid Kelp Seaweed Fertilizer Concentrate (Gallon) - Blue Planet Nutrients Ascophyllum Nodosum Liquid Seaweed Supplement - Makes 1600+ Gallons - Organic Kelp for All Plants &amp Gardens

- Explosive Root & Plant Vitality: Premium liquid kelp concentrate derived from Ascophyllum nodosum seaweed delivers natural growth hormones, trace minerals, and amino acids for stronger roots and lush foliage in every garden. - Makes 1,600+ Gallons from One Gallon Jug: Super-concentrated liquid seaweed fertilizer ? use just ½?2 teaspoons per gallon (2.5?10 milliliters) in soil, hydroponic, coco coir, or aeroponic systems and turn one gallon into over 1,600 gallons of ready-to-use plant food. - Stress & Drought Defense: Seaweed extract boosts natural resistance to heat, cold, transplant shock, and drought while improving nutrient uptake ? perfect for vegetables, flowers, herbs, fruit trees, and houseplants. - Safe From Seedling to Harvest & Every Application Method: Use as root drench, foliar spray, reservoir additive, or transplant soak ? 100 % soluble, non-clogging, pH-neutral, and gentle enough for clones and seedlings yet powerful through flowering and fruiting. - Trusted by Thousands of Growers: 4.7 Stars from 3,570+ Verified Reviews ? Made from Organic Ascophyllum Nodosum Seaweed, Vegan, and Proven in Hydro, Soil, and Outdoor Gardens Nationwide.

Product description

Liquid Kelp Seaweed Fertilizer

Premium Ascophyllum Nodosum Concentrate ? Quart makes up to 470 gallons ? Gallon makes 1,600+ gallons

Why Gardeners Choose Blue Planet Liquid Seaweed

One Bottle = Hundreds of Gallons of Plant Food

Easy Dosage Guide

Product Details & Powder Alternative

Frequently Asked Questions

Trusted by Thousands of Gardeners Nationwide

Unlock the power of the ocean for your plants.

Blue Planet Nutrients Liquid Seaweed is a premium cold-water Ascophyllum nodosum kelp concentrate packed with natural growth hormones, 60+ trace minerals, and amino acids.

- Explosive root development & stronger stems

- Boosts resistance to heat, cold, drought & transplant shock

- Improves flavor, aroma, and yields in vegetables, herbs & flowers

- 100 % soluble ? perfect for hydroponics, soil, coco, or foliar spray

- Non-clogging, safe from seedling to harvest

One quart makes up to 470 gallons · One gallon makes over 1,600 gallons of ready-to-use plant food.

Made in the USA · Vegan · Recyclable bottle

Natural auxins, cytokinins, and amino acids build massive, healthy root systems fast.

Increases resistance to heat, cold, transplant shock, and drought ? keeps plants thriving.

60+ trace minerals enhance taste, aroma, and fruit/flower production.

Super-concentrated Ascophyllum nodosum kelp ? just ½?2 tsp per gallon

? Quart (32 oz) → up to 470 gallons

? Gallon (128 oz) → over 1,600 gallons

The ultimate value in liquid seaweed fertilizer.

Premium Ascophyllum nodosum liquid kelp concentrate ? use as root drench, foliar spray, or reservoir additive in soil, hydroponics, coco, or aeroponics.

Blue Planet Nutrients Liquid Seaweed ? one bottle makes hundreds of gallons

Easy, Affordable, Effective

For All Plants & Gardens, Made in USA

Try Easy Weed Now, Available on Amazon

What plants can I use Liquid Seaweed on? All plants ? vegetables, flowers, herbs, fruit trees, houseplants ? in soil, hydroponics, coco, rockwool, or aeroponics.

Is it safe to mix with my current nutrients? Yes ? 100 % compatible, pH-neutral, and non-clogging with any fertilizer program.

Is this organic or vegan? Derived from natural Ascophyllum nodosum seaweed. Vegan, no synthetic additives.

Can I use it as a foliar spray? Absolutely ? plants absorb nutrients instantly through leaves. Use ½ tsp per quart of water weekly.

Where is it made? Proudly made in the USA in recyclable bottles.

4.7 out of 5 stars from over 3,570 verified purchases Blue Planet Nutrients Liquid Seaweed has been a grower favorite for years in hydroponics, soil gardens, greenhouses, and indoor setups across the USA.