SeaGrow Range

Nvirol SeaGrow Range is a high quality range of products with a seaweed base. Our seaweeds are top quality, UK sourced, CE certified,100% cold extracted seaweed of the genus Ascophyllum nodosum.

Seagrow Sequestered Iron

SeaGrow Sequestered Iron is a multi-use fertiliser for turf, potted and bedding plants, and some vegetables. It combines seaweed extract with 2% iron in a readily available sequestered form to correct iron deficiency.

2% sequestered iron

Rapid green-up, often within 24 hours

Colour lasting 7–14 days

Use March–October

Product Description

SeaGrow Sequestered Iron is a multi-use fertiliser for turf, potted and bedding plants, and some vegetables. It combines seaweed extract with 2% iron in a readily available sequestered form to correct iron deficiency. Ideal for rapid green-up on turf and to help prevent pale grasses or chlorosis. Also useful as a pre-planting treatment for vegetables and general garden use.

Key benefits:

  • Rapid green-up, usually within 24 hours
  • Improved green colour lasting 7–14 days
  • Seaweed and iron to support colour without excessive growth
  • Helps harden off turf before winter
  • Seaweed extract supports rooting and shoot development
Seagrow Sequestered Iron

Typical Areas for Use

Potted plants
Turf
Bedding plants
Vegetables
General garden use

Application Instructions

Dilution Rates

Normal Growth
General use: 10 ml in 1 litre of water
Heavy Growth
Turf: 50 ml in 1 litre of water · Vegetables: 3 L/ha in 100–400 litres of water

Application Method

Shake before use. Stir in well. Apply using watering can or irrigation. Reseal after use. Keep away from frost. Store above 0°C and below 30°C. Recommended period of use: March–October.

Pack Sizes
10L
Shelf Life

Longevity of effect 4–6 weeks (confirm storage shelf life from SDS/label if needed)

Appearance

Liquid seaweed + sequestered iron fertiliser

Manufacturing & Registration Services

Comprehensive biocide manufacturing and regulatory support to bring your products to market with confidence.

Intercompany Manufacturing

We produce hard surface cleaners containing biocides for internal use across the Linemark Group, ensuring consistent quality and compliance.

White Label Solutions

Custom formulation and packaging services allow you to bring biocide products to market under your own brand with complete confidence.

HSE Registration Services

We offer back-to-back and piggy-back registration services for own-label versions, streamlining your route to market through HSE compliance.