Hard Water 151

Overcoming the challenges of growing in hard water








Having a hard time with hard water? Universol® Hard Water 151 has been specifically created to overcome the challenges of growing in hard water. Its high-phosphorus formula makes it the number one choice for rooting and getting flowers off to a great start. Contains carefully chosen raw materials to acidify bicarbonates in hard soil. Easy to use and very efficient thanks to its one-tank-mix. Hard Water 151 contains a high level of trace elements, plus it’s quick to dissolve because of its low stock solution pH. Can also be combined with other Universol® Hard Water types. This product is not recommended for application in soft water types or rainwater.

  • High phosphorus content for great rooting

  • Quick crop response thanks to fast performance

  • Improves irrigation water quality and stabilizes pH in the soil

Recommended Universol® rates100% Universol®50% Universol®*
Pot and bedding plants:
Crops with high fertilizer requirements1-2 g/l0.5-1 g/l
Crops with normal fertilizer requirements1-1.5 g/l0.5-0.75 g/l
Salt sensitive crops 0.5-1 g/lDepends on situation
Container nursery stock:
Crops with high fertilizer requirements20 g/m2/week10 g/m2/week
Crops with normal fertilizer requirements15 g/m2/week7.5 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 in 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 other P-containing compound fertilizers.
Do not mix with Ca-containing fertilizers.
Can be mixed with phosphoric acid.

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