Blue Planet Nutrients liquid kelp bottle pour for easy garden feeding
Blue Planet Nutrients Ascophyllum seaweed concentrate being diluted in water for versatile plant nutrition
Blue Planet Nutrients root-drench application with liquid kelp benefiting robust roots
Blue Planet Nutrients foliar spray mist over leaves for strong foliage
Blue Planet Nutrients reservoir-additive mixes easily in hydroponics and soil
Blue Planet Nutrients safe for seedlings and clones during transplant

Blue Planet Nutrients

Liquid Kelp Seaweed Fertilizer Concentrate (Gallon) – Blue Planet Nutrients Ascophyllum Nodosum | 1,600+ Gallons

High-performance patio lawn and garden made for confident daily results

$56.36

3 shoppers currently have this item in cart.

Low stock: only 5 left in inventory. Add to cart before it's gone.

Shop Pay installment options may appear at checkout where eligible.

Free shipping Secure checkout 100% refund eligible
Bundle & save Buy 2 and save checkout time

Premium patio lawn and garden quality selected for United States (USA) customers.

Routine pack Build your routine pack (3)

Fast dispatch with always-free shipping and secure checkout on every order.

Free shipping

i

Free shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.

Easy returns

i

Simple return flow and responsive support for eligible items.

Peak-demand shipping delays

i

During high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.

24/7 customer support

Questions before checkout? Our team is available and ready to help.

Return & RefundEasy returns and policy details Shipping PolicyDelivery process and tracking info
Share

Why customers choose Cera Garden

Powerful, Easy-to-Use Seaweed Fertilizer

Blue Planet Nutrients Liquid Kelp is a premium concentrate derived from Ascophyllum nodosum seaweed. From a single gallon, you can create more than 1,600 gallons of ready-to-use plant food, making feeding versatile, economical, and scale-friendly for any garden or growing setup.

What makes this kelp concentrate special

  • Natural growth hormones, trace minerals, and amino acids support stronger roots and lush foliage.
  • Ultra-concentrated formula: mix ½–2 tsp per gallon; one jug expands to 1,600+ gallons of feed.
  • Seaweed extract may help plants better tolerate heat, cold, transplant shocks, and drought while improving nutrient uptake.
  • Safe from seedling to harvest and versatile across root drench, foliar spray, reservoir additive, or transplant soak.

Versatile for every growing setup

Designed to work across soil, coco coir, hydroponics, and aeroponics. Its 100% solubility and neutral pH keep systems running smoothly without clogs, making it suitable for clones, seedlings, and mature plants alike.

  • Compatible with soil, hydroponics, coco coir, and aeroponic systems.
  • 100% water-soluble, non-clogging, and pH-neutral for easy integration into existing routines.
  • Gentle enough for young plants yet effective through flowering and fruiting stages.

Quality you can trust

Made from Organic Ascophyllum nodosum seaweed, this vegan formula is a familiar choice for gardeners nationwide. It’s backed by thousands of growers who value consistency and flexibility in feeding programs, with a reported 4.7-star rating from 3,570+ verified reviews.

How to use

Follow these practical guidelines to get the most from every application.

  • Mix ½–2 tsp per gallon of water (2.5–10 ml per liter).
  • Apply as a root drench, foliar spray, reservoir additive, or transplant soak.
  • Works in soil, hydroponics, coco coir, and aeroponic systems; suitable for seedlings through harvest.
  • Ensure complete dissolution for best results; store in a cool, dry place.

FAQ

Q: What is Liquid Kelp Fertilizer Concentrate best used for?

A: A premium seaweed extract that supports root vigor, foliage health, and plant resilience across soil, hydroponic, and soilless systems.

Q: How much should I mix per gallon?

A: Mix ½–2 teaspoons per gallon of water (2.5–10 ml) and apply via root drench, foliar spray, or other approved methods.

You may also like