How to descale at 44* dH

  • Erstellt am 2019-10-19 16:44:30

Kiki_

2019-10-19 16:44:30
  • #1
Hi! We are looking for a descaling system that suits us.

The main problem is the water hardness of 44.1 °dH, sodium is at 34.5 mg/L.

Actually, an ion exchanger was planned for us, as we thought it was 32 °dH and we would then end up at 12, which is not optimal but would be okay for us. However, we can only reduce about 20 °dH this way and still end up at 24 °dH, which I find very high. Grünbeck has now suggested phosphates to bind the lime. However, this would easily cost over 1€/m3 for the mineral solution.

What else is there that has nothing to do with hocus-pocus? Carbon filter? Reverse osmosis? Other ideas? And above all: how are the running costs to be assessed?

We have 3 bathrooms, want 5-6 people in the house in the end, and honestly have a higher water consumption. Therefore, the system must be able to handle a considerable throughput.

Thanks in advance for tips on which direction we should look!
 

rick2018

2019-10-19 17:32:04
  • #2
Have you ever looked at the total energy 2500 from BWT? I have no experience with it, only with the ion exchangers (salt). With a higher salt consumption, you should also be able to get the water soft (12°9).
 

guckuck2

2019-10-19 17:53:20
  • #3
At 44.1, I would ask the provider if they have a screw loose. Why don't they soften the water centrally? Is the Calgon plant located near you or what

Is the value really correct? Place of residence?
 

Kiki_

2019-10-19 21:40:43
  • #4

I just looked at the one from BWT, it says it only works up to 40*dH. But I will inquire further, thanks for the tip!

Yes, with higher salt consumption it would also work with an ion exchanger, but I don’t want to exceed 200mg/L of sodium. I still want to be able to drink the water; children here also like to drink the bath water while playing, that’s not possible otherwise.
Partially not descaling but also not, if I don’t want to quickly clog the pipes...
 

Kiki_

2019-10-19 22:07:20
  • #5
I have no idea why they don’t soften the water centrally. We live in Lower Franconia, a nice area with a lot of shell limestone in the ground... Yes, the value is listed both on the municipal website and on the supplier’s analysis.
 

hampshire

2019-10-19 23:04:51
  • #6
I can only be amazed at this value and that there is no limit value for water hardness in the drinking water ordinance. Puzzled by this Waaselieferung in pieces at your place, Max. I would go in the direction of softening with a larger system and additionally install a reverse osmosis system for drinking water. The salt requirement will be considerable; we have "only 24-26" and add a lot.
 
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