Hard Water 111

Acidify irrigation water and neutralize bicarbonates in hard water








Specially designed to solve your challenges when using hard water, Universol® Hard Water 111 contains carefully selected raw materials for an excellent acidifying effect. It gives you amazing ease of use and efficiency thanks to its one-tank-mix. A balanced formula for balanced growth, Hard Water 111 contains a high level of trace elements, and its low stock solution pH ensures swift solubility. You can also combine it with other Universol® Hard Water types. This product is not recommended for application in soft water types or rainwater.

  • Quick crop response thanks to fast performance

  • Improves irrigation water quality

  • Stabilizes pH in the soil

Recommended Universol® rates 100% Universol®50% Universol®*
Pot and bedding plants:
Crops with high fertilizer requirements 1-2 g/l 0.5-1 g/l
Crops with normal fertilizer requirements 1-1.5 g/l0.5-0.75 g/l
Salt sensitive crops0.5-1 g/lDepends on situation
Container nursery stock:
Crops with high fertilizer requirements20 g/m2/week10 g/m2/week
Crops with normal fertilizer requirements 15 g/m2/week 7.5 g/m2/week
Salt sensitive crops10 g/m2/week5 g/m2/week
Recommended Universol® rates
100% Universol®
50% Universol®*

*When combined with 50% Osmocote® Exact

Trial first on a small scale before changing the rate, application or any other variables. As circumstances can differ and the application of our products is beyond our control, ICL cannot be held responsible for any adverse results. Store under dry conditions. Close partly used or damaged bags securely. For best results, always ask your ICL advisor.

Prepare the stock solution 1-2 hours before use and stir well.
Use clean irrigation systems only, as the product’s anti-clogging effect can release any deposits in the pipes, which can cause blockages in the system.
Do not mix with Ca-containing fertilizers.
Do not mix with other P-containing compound fertilizers.
Can be mixed with phosphoric acid.
If you need more information, please contact your technical support.

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