Seaweed Extract Foliar Fertilizer Storage — Ascophyllum & Kelp Biostimulant Tank Selection

Storing Seaweed Extract Foliar? Start Here

Seaweed extract foliar fertilizer is a liquid product derived from various types of brown kelp, like Ascophyllum nodosum and Ecklonia maxima. These extracts are used as biostimulants to enhance plant growth and resilience. They come in a dark-brown to black concentrate form and are commonly diluted for foliar spray applications. Whether you're a farmer, a plant manager, or a water-treatment operator, understanding how to store this product safely is crucial to maintaining its effectiveness.

Can you store it in a poly tank?

Yes, you can store seaweed extract in a poly tank. High-density polyethylene (HDPE) and cross-linked polyethylene (XLPE) tanks are standard for this purpose. These materials are compatible with the mildly alkaline nature of the extract, making them a reliable choice for storage.

Key issue: Avoiding metal contact

One critical consideration when storing seaweed extract is to avoid contact with metals like iron and copper. These metals can degrade the plant hormones in the extract, reducing its effectiveness. Use plastic or stainless steel fittings and components to prevent this issue.

The safety that actually matters

• Store in a well-ventilated area to avoid any unpleasant odors.
• Ensure tanks are sealed properly to prevent contamination.
• Regularly inspect storage tanks for any signs of wear or damage.

Common questions

What type of gasket should I use?

EPDM gaskets are standard for this application, but Viton is preferred in warmer climates.

Can I use metal tanks for storage?

It's best to avoid metal tanks, especially those made of iron or copper, as they can degrade the extract.

How should I dilute the extract for use?

Typically, the extract is diluted at a ratio of 1:200 to 1:1000 for foliar spray applications.