ISN Seaweed is a mix of North Atlantic and Pacific Ocean marine plants. ISN seaweed is one of the few products in the world that has a cold pressed refinement process which provides a rich source of natural enzymes, minerals, hormones, soluble carbon, sugars, organic vitamins, minerals and over 65 natural amino acids to your plant. Designed specifically for hydroponic systems, ISN Seaweed enhances root development and plant growth by increasing the organic building blocks in the root zone.
ISN Seaweed is a mix of North Atlantic and Pacific Ocean marine plants. ISN seaweed is one of the few products in the world that has a cold pressed refinement process which provides a rich source of natural enzymes, minerals, hormones, soluble carbon, sugars, organic vitamins, minerals and over 65 natural amino acids to your plant. Designed specifically for hydroponic systems, ISN Seaweed enhances root development and plant growth by increasing the organic building blocks in the root zone.
in 4 offers
The lowest price for Isn Seaweed 1L | Hydroponics - Aqua Gardening right now is $25.00 at Fran's Hydroponics, compared across 4 retailers.
The all-time low was $25.00 on 23 June 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 23 June 2026.
Isn Seaweed 1L | Hydroponics - Aqua Gardening
ISN Seaweed is a mix of North Atlantic and Pacific Ocean marine plants. ISN seaweed is one of the few products in the world that has a cold pressed refinement process which provides a rich source of natural enzymes, minerals, hormones, soluble carbon, sugars, organic vitamins, minerals and over 65 natural amino acids to your plant. Designed specifically for hydroponic systems, ISN Seaweed enhances root development and plant growth by increasing the organic building blocks in the root zone.
ISN Seaweed is a mix of North Atlantic and Pacific Ocean marine plants. ISN seaweed is one of the few products in the world that has a cold pressed refinement process which provides a rich source of natural enzymes, minerals, hormones, soluble carbon, sugars, organic vitamins, minerals and over 65 natural amino acids to your plant. Designed specifically for hydroponic systems, ISN Seaweed enhances root development and plant growth by increasing the organic building blocks in the root zone.
Last updated at 23/06/2026 11:07:02
ISN Seaweed, 1L
Delivery $14.95
ISN Seaweed - 1L
ISN Nutrients - Seaweed – Premium Kelp & Organic Root Zone Conditioner 1L
Delivery $11.52
ISN Seaweed | 1L
Delivery between 29 June – 3 July $15
ISN Seaweed, 1L
Delivery $14.95
ISN Seaweed - 1L
ISN Nutrients - Seaweed – Premium Kelp & Organic Root Zone Conditioner 1L
Delivery $11.52
ISN Seaweed | 1L
Delivery between 29 June – 3 July $15
