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Green Building Bible, Fourth Edition
Green Building Bible, fourth edition (both books)
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    • CommentAuthordelprado
    • CommentTimeMay 3rd 2018
    To be installed at mains coming in, does anyone have any recommendations?
    For brine regeneration type it depends on whether you want a single cylinder or twin cylinder. The single cylinder requires an electrical connection and regenerates at night and the twin cylinder regenerates whenever required and doesn't need electricity. Wrekin are good for single cylinder and any of the Harveys and clones are good twin cylinders. Twin cylinder are usually block salt and single cylinder are usually tablet salt. Twin cylinder are expensive, about twice single cylinder prices.
    General advice has been not to use softened water for drinking, so if you follow that then you should have a direct line to the kitchen tap to enable unsoftened water for drinking and cooking. A previous thread(s) here discussed them.
    Was another thread on this recently - have a search.

    - single cylinder make sure it's metered (so regenerates when it actually needs to) rather than timed (every x days).
    - since regen is overnight can't see the benefit of twin. yes needs power but consumption is tiny - basically a clock and some motorised valves that only run when regenerating.

    - amounts of sodium isn't significant unless you are specifically on a very low sodium diet.
    • CommentAuthordelprado
    • CommentTimeMay 3rd 2018
    Thanks all. What about filtering as opposed to softening?

    Why not softened water for drinking
    Why not softened water for drinking? Read here


    What sort of filter are you thinking about? Generally speaking a particulate filter in not needed on UK mains water.
    >> filtering

    Water filters come in standard 10" size cartridges, and less common 20" size. You can fit any housing you like, they are all interchangeable and do the same job.

    Then try different 10" filter cartridges to find one that suits. You should not need much /any filtering on UK mains so presumably you have an unusual supply problem?

    We have well water and use a 1 micron particle filter in a 10" housing, the flow is fine. Initially we used 5micron cartridges but that was not sufficient.

    You spill some water when you change the cartridge, so locate it to suit. Its nice to have a see through housing so you can see when it needs changing. You need isolating valves which often come built in to the housing. Its good to have a tap nearby to release the air after you put the new filter in. The housings often have BSP style connectors so need adapters to fit 22mm pipe.
    • CommentAuthorcjard
    • CommentTimeMay 4th 2018
    What do you guys recommend for tap water that tastes awful?
    First identify the reason for the unwanted taste (what is the problem taste?)
    • CommentAuthorandyman99
    • CommentTimeMay 4th 2018
    I can't be very scientific, but the water at our last property - relatively new estate, was unpleasant. We started off using a jug filter and then went for an inline filter much as Will has described. Filtered water was switchable to the cold water tap. Here a few miles away the water taste fine. No idea what the problem was, both areas are hard water.
    • CommentAuthorcjard
    • CommentTimeMay 5th 2018
    I don't really know what the problem is, it just tastes nasty. Can't even really identify the kind of taste; it's not obviously metallic it's just sharp. We run it through a jug filter and it gets a little better but it's still enough to change the taste of a cup of tea

    At home the water tastes a bit plasticky, like it would if it'd been in a sports bottle rolling round in the car for 3 weeks. Assumed this was because all my plumbing is speed fit and the kettle has its own dedicated filtered water feed (we tend not to drink the taps, only the fridge or kettle, both separately filtered)
    As a first step IMO you should measure the ph of the water, this might give a clue as to the likely problem and a starting point for further investigation.
    • CommentAuthordelprado
    • CommentTime5 days ago
    Anyone know anything about kinetic filters?
    • CommentTime5 days ago
    Posted By: delpradoAnyone know anything about kinetic filters?

    No, what are they?
    • CommentAuthordelprado
    • CommentTime4 days ago
    I really need to learn how to type..

    I meant to write Kinetico - stupid auto phone correct. They are a German manufacturer

    Since writing I have also come across a small, inline way of getting rid of lime and, assuming it works, it looks fantastic,

    • CommentAuthordelprado
    • CommentTime4 days ago
    • CommentAuthordelprado
    • CommentTime4 days ago
    Kinetico is a twin cylinder block salt softener much the same as the Harveys and clones.

    It's interesting the Aquabion states it removes 98% of limescale formation without giving the water hardness value.
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