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Pure Water FAQs

Pure Water FAQs

We asked you: What do you want to know about pure water? Now we have the answers.

Can DI filter systems only be filled with the resin bags or can this also be done with loose resin?
Although HydroPower DI filters can also be filled with loose resin, there are plenty of reasons not to. Replacing loose resin is very time-consuming and cumbersome.
Plus there is always a risk of overfilling and underfilling, as the resin tends to expand or retract depending on the respective condition. Incorrect dosages can greatly influence the performance of the HydroPower DI. With resin bags, you can always be certain of the correct dosage and they can be replaced with much more ease.

What are the black QuickChange bags made of?
The QuickChange resin bags are 85 percent nylon and 15 percent elastane and are sewn together with a special process.

At which temperatures can you clean with pure water?
As the water may not freeze, temperatures below 4° C are problematic for cleaning with pure water. If temperatures are above 4° C, you should generally be able to clean with pure water. In doing so however, you should take factors such as wind and weather into consideration.

What is the cause of residual streaking on windows?
If there is streaking despite optimum cleaning conditions, it usually isn’t the fault of the water. In this case, the glass was not sufficiently rinsed. So always properly rinse, rinse, rinse.

Does the pure water have to be emptied out or can it remain in the HydroPower filter over night?
It is no problem if you do not empty the filter over night. However: If left to stand for a longer period of time, the resin will consume itself.

How well do synthetic materials and Plexiglas pure water get long during longer periods?
There is no evidence indicating the pure water has an effect on synthetic material or Plexiglas. As all of the components of pure water systems are made of synthetic materials and do no react whatsoever, we can assume that the material is highly resistant. When cleaning Plexiglas, it is not the pure water itself that is focused on, but the brushes that are used. If the brush is not suitable or there are dirt particles or residues in the brush, this may cause damage. Pure water itself however does not. Therefore: Always be informed as to whether the brush is suitable for Plexiglas and always perform a test on a test surface beforehand.

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