Last updated at 14/05/2026 23:27:20
ISN Seaweed, 5L
Delivery $14.95
ISN Seaweed 5 Litre
Delivery $24.99
ISN Seaweed, 5L
Delivery $14.95
ISN Seaweed 5 Litre
Delivery $24.99
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 2 offers
The lowest price for Isn Seaweed 5L | Hydroponics - Aqua Gardening right now is $123.25 at Fran's Hydroponics, compared across 2 retailers.
The all-time low was $40.00 on 10 Oct 2025 — today's price is 208% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 14 May 2026.
Isn Seaweed 5L | 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.