Potassium Thiosulfate KTS 0-0-25-17S Storage — Chloride-Free K-S Liquid Fertilizer Tank

Storing Potassium Thiosulfate? Start Here

Potassium thiosulfate (KTS) is a popular chloride-free liquid fertilizer used in agriculture, particularly for crops sensitive to chloride like potatoes, tobacco, and grapes. It's a clear solution that remains stable without the need for agitation, making it a reliable choice for fertigation and foliar applications. However, it's crucial to store it properly to avoid contamination and potential hazards.

Can you store it in a poly tank?

Yes, KTS is compatible with polyethylene tanks. Standard rotomolded HDPE tanks are suitable for storing KTS, as the solution is mildly alkaline and chloride-free, posing no risk of stress-corrosion cracking. Ensure the use of EPDM gaskets for optimal sealing.

Watch out for contamination

One critical issue with storing KTS is avoiding contamination with strong acids, which can release hazardous gases like sulfur dioxide and hydrogen sulfide. Always keep KTS storage isolated from acid storage to prevent accidental mixing.

The safety that actually matters

• Store in a well-ventilated area to prevent gas buildup if contamination occurs.
• Use proper gaskets (EPDM) to ensure leak-free storage.
• Regularly inspect tanks and fittings for signs of wear or damage.

Common questions

What is the best tank material for KTS?

HDPE tanks are an excellent choice due to their compatibility with the alkaline nature of KTS.

Can KTS freeze?

KTS crystallizes near 32°F, so it's important to store it in temperatures above freezing.

How often should tanks be inspected?

Regular inspections are recommended, ideally before each refill, to ensure the integrity of the storage system.