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BRØNN / DAM
Are you lucky enough to have access to your own well?
Yes, you are lucky!
Have you ever felt the inside of the well?
Are the stones a bit slippery, and a bit nasty?
Yes, then maybe a cylinder of GRANDER® is what you need.
It will soon remove the bad bacteria and you will get fresh, beautiful water. Or do you have a pond that is yours?
Do you want to swim? but there are bacteria in the water?
Contact us and maybe we can help you!
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Ensures a sustainable biological balance
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Increases the natural stability of the water.
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This improves water quality.
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Prevents water clouding (no green discoloration or water turning cloudy)
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Reduces algae growth and counteracts sludge buildup.
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Saves fresh water and time on pond maintenance
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It has a positive effect on fish farming.
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Works without chemicals / electricity / maintenance
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Valuable contribution to environmental and water protection
In 2019, GRANDER conducted a survey of private customers. With 811 participants, we obtained the following results regarding swimming pools and biotopes:
81.25% of respondents stated that the bacterial growth potential decreased.
87.5% of respondents stated that the natural stability of the water increased.

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