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filtered water undrinkable after mineral addition.

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yep and to get that ph back into somewhat normal range you would be using way to many salts to even get close.

I'm not sure what you mean by this? pH of the source water doesn't make any difference, only the pH of the mash.
 
@azeeb I think they were talking about one of the filter options earlier in the thread that output wildly different pH's depending on the setting. The pH can influence solubility of salts you're adding back but I think for brewing purposes it won't change noticeably.

@Acbrewer it's not sulfite v sulfate, the whole anion is metabisulfate
 
I'm happy to see people getting into this thread. Would love to come across someone else who has seen or used something like this...
Guys, when I first went into the company office I told them that I need a filter for brewing beer. They told me that they have worked with several large breweries and installed filters for them. They told me that the filters that they recommended was the best max line, which removes carbonates but leaves the other minerals mostly in the water.
I told them for home use I would prefer something close to ro water quality so I can add my own salts. So that's why they recommended the filter I got. The best max clear extra.

Each filter you get comes with a filter head, that is universal and fits all filters in the line.. The difference bypass settings are from 0. To 3 setting. It's the filter itself that is pre determined which setting you can use...
For example my filter is only equipped to be able to work with bypass setting 0 and 1. Another filter that is for say just purifying drinking water can be set to all 4 settings. The settings are recommended based on you water hardness. So if you have soft water you dont need to set the filter to 0 for extreme filtration because you are putting unnecessary strain on you filter. So instead of say 9000 liters of its life you only get 3000
As you guys have seen the tests the two settings are different. This is a pretty extreme filter so the two settings don't really vary that much. Because thefilter is designed to get close to total filtration. But on a different filter you could have a lot of different water profiles. For example I the bar I work with which uses this type of filter but a different line. It's caled mest max plus for drinking wAter. I tested the ca on 3 settings and it went from 80 ppm to 40 to 20.

The tests I got are from the city lab. They were not cheap. But I assume they are accurate. The ph did shock me when I saw it. So I won't be using that setting. As far asrliability goes the filter throughout its lifetime is at most supposed to vary 5-10% towards the end of its life. 1 year or to the reccomnded water amount. This for me comes out to 5 c ents l.

My thought was that. Someone with another type of filter . Could possibly play around with the settings and be able to us 1 or 2 different water profiles as is out of the filter.
If your worried about a little variation. Conssideringthat when I opt for a water profile in beer smith. And it calculates best additions. I can never come exact . It's already a little bit off....

I guess the filter uses some kind of sap... That all the ions stick to.. Don't ask me this is just what they tried to tell me in laymans terms...:))))
Ne way I'm starting to brew with this filter and get more information . And next time I'm going to buy a different one. I'm also going to be doing a lot more water tests...
If it all goes good and I can support you guys with some answers. Then I hope that this could become a new option for people like me. Or at least in Europe where it's available..:) keep Yu guys all posted! As soon as the beers are ready.
 
For the first go around with the metallic taste, did you flush the filter first or use the first water out of it? Some filters I've used suggested to run the water through the new filter for a couple minutes before actually using the water from the system.
 
I don't know where that came from. It's not the filter.... Something else I did or kept it in, buckets were not clean or somtheing.....
Now the water is very clean tasting...
My only concern is a very very slight a mean very Slight seawater smell( clean taste) . I don't know how to describe it but it tastes exactly like if you we're to take a glass of to water and just add a tsp of cacl. It has that faint smell to the water... So I'm thinking its the chloride which is very minimal but still more present than anything else..... I will get a new test in a month to see how the filter dwindles ......
 
I store my RODI water in a food safe Brute bucket, expensive but worth it. Havent had any off flavors from that, might be source of your problem, hard to say.
 
iv let the filter sit for about 5 days without using it im going to see what the water is like when it first comes out them how it changes as im flushing,,
 
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