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  • Filtration system

    Hey guys,
    Looking for advice on the different filtration options out there without going all out, plumbed in, RO or anything like that.

    I'm currently using a cheap Britta water filter jug, but I'm pretty sure it's doing nothing at all....

    It's probably the total water hardness that I would think the most important thing to eliminate?

    My last HX machine l used to use Mt Franklin bottled water but the wife didn't like all the bottles and the constant cost.

    Thanks.

  • #2
    Don't Brita filters reduce limescale?

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    • #3
      Impossible to advise you without any data on your water. Have it professionally tested and then come back to your thread.

      Your current setup will remove dirt and algal spores from it and that's about it. Brita jugs have negligible to zero effect when it comes to softening water.

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      • #4
        I can definitely recommend a chat to the team at Bombora, but first if you want to get serious you should get your tap water tested. Once you have it tested you can see what you need reduce- is it TDS hardness etc.

        Personally I have a bench top filter system which is good because I am renting so I don't need to do any kitchen mods and can take it with me. It also makes drinking water far more palatable and I change the filter cartridge every 6 ish months. Cost about $120 from memory and spare cartridges about $40.

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        • #5
          If your machine has a tank (not plumbed in) then you can buy those small water softener filters that attach to the end of the water intake tubing. They last a couple of months before you have to “recharge” them by a process involving soaking them in salty water and heating(?). I’ve got 4 that I rotate every 2 months before I recharge the lot in one go. Most online coffee places sell them. They are probably not as effective as RO and other expensive systems but they do soften the water to some degree. I also use a standard water filter system to remove chlorine.

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          • #6
            Nope- you don't rely on an inline filter to do appreciably more than a Brita...

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            • #7
              Originally posted by WhatEverBeansNecessary View Post
              I can definitely recommend a chat to the team at Bombora, but first if you want to get serious you should get your tap water tested. Once you have it tested you can see what you need reduce- is it TDS hardness etc.

              Personally I have a bench top filter system which is good because I am renting so I don't need to do any kitchen mods and can take it with me. It also makes drinking water far more palatable and I change the filter cartridge every 6 ish months. Cost about $120 from memory and spare cartridges about $40.
              Thanks, I'll get the water tested asap.

              What bench top system do you have?
              Cheers

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              • #8
                Originally posted by Caffeinator View Post
                Brita jugs have negligible to zero effect when it comes to softening water.
                They have very little effect on TDS but they do soften the water, by substituting monovalent (sodium) cations for divalent (calcium and magnesium) ones. This is quite effective at reducing scale formation.

                Unfortunately this means it is very hard to measure when the resin is exhausted: the easiest and cheapest way is complexometric titration against EDTA using Eriochrome black as indicator. The test is easier than it sounds.
                Last edited by Lyrebird; 8 October 2019, 11:46 AM.

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                • #9
                  Try one with 200ppm hardness (or more) which is not uncommon in parts of Australia

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                  • #10
                    In that situation it will exhaust more quickly. A back of the envelope calculation suggests that their stated capacity of 100 litres per recharge is pretty conservative, even with 200 ppm water. Assuming you are quoting hardness as CaCO3, 200 ppm = 2 μM = 4 μEq so their 100 litres is 400 microequivalents. Even the tiny quantity of resin they put in these things will handle that (most resins have a capacity around 1 eq per litre resin).
                    Last edited by Lyrebird; 8 October 2019, 12:29 PM.

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                    • #11
                      From the Brita website

                      "Filtration
                      MAXTRA+ MicroFlow Technology reduces:

                      limescale build-up
                      metals such as lead and copper
                      chlorine and other substances that affect water’s taste"
                      Last edited by Javaphile; 8 October 2019, 12:52 PM. Reason: Commercial link removed

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                      • #12
                        Hey
                        I’ve got a similar machine at home

                        I reckon just get a bench top water filter like this
                        Commercial link removed as per Site Posting Policy

                        It’s good coz you can use it for your drinking water as well as for your machine
                        Last edited by Javaphile; 8 October 2019, 12:50 PM. Reason: Commercial link removed

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                        • #13
                          Originally posted by Lyrebird View Post
                          They have very little effect on TDS but they do soften the water, by substituting monovalent (sodium) cations for divalent (calcium and magnesium) ones. This is quite effective at reducing scale formation.

                          Unfortunately this means it is very hard to measure when the resin is exhausted: the easiest and cheapest way is complexometric titration against EDTA using Eriochrome black as indicator. The test is easier than it sounds.
                          That's easy for you to say Lb...

                          Mal.

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                          • #14
                            One pool shop says l have 90pps calcium hardness.

                            Going to try one other shop

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                            • #15
                              Originally posted by Adam76 View Post
                              One pool shop says l have 90pps calcium hardness.

                              Going to try one other shop
                              And then you add Mg++ and some random TDS. Make me suspect that you might be best to use bottled. The jug will be useless I'm afraid.

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