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Thread: Drinking water

  1. #1
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    Drinking water

    Son my built is finish and my wife want to collect water from roof into large thanks for drinking water. Im thinking of getting some water purifier solution, anyone here have experience on this to share?



    Pink

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    I have a simple reverse osmosis kit I use to drink government water and water from the well.

    Regardless of purification I don't think I would drink roof water because of all the bird shit & random animal presence. Reverse osmosis would certainly get rid of any bad stuff but if the system fucks up or falls out maintenance you could get real sick.

    And you'd need to push water from the storage tanks to the purification system with a good quality pump and strong constant pressure - another thing to think about.

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    Thailand Expat Pragmatic's Avatar
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    Why bother? Local water-man brings around 25Ltr bottles of cleaned drinking water at 10 Baht a bottle. Not worth collecting and cleaning yourself. For some reason the Thais think it tastes better if it has bird shit, insect and leaves floating in it.

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    I paid about 6k fitted for something like this:


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    Thailand Expat Pragmatic's Avatar
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    ^
    Buying water in costs us 1,000 Baht per year on average. 6 persons. No maintenance. Each to their own.

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    Quote Originally Posted by Pragmatic View Post
    Why bother? Local water-man brings around 25Ltr bottles of cleaned drinking water at 10 Baht a bottle. Not worth collecting and cleaning yourself. For some reason the Thais think it tastes better if it has bird shit, insect and leaves floating in it.
    What if the man doesn't come around any longer?

    What then?


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    Quote Originally Posted by thaimeme
    What if the man doesn't come around any longer?
    It means he knows you are a fraud Jeff.

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    Thailand Expat Pragmatic's Avatar
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    Quote Originally Posted by thaimeme
    What if the man doesn't come around any longer?

    What then?
    Then I find another man. 12 years of getting water this way. Never a problem.

  9. #9
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    Quote Originally Posted by Pragmatic
    Buying water in costs us 1,000 Baht per year on average. 6 persons. No maintenance. Each to their own.
    Fo sho bro. We did the big white bottle thing for a minute but gave it up cause its a pain in the ass to transfer to different containers & whatnot. We even got one of those metal bottle-tipping bracket thingies.

    We also did the glass bottles & crates for a minute too. Way too much work.

    I also always found myself going out to the local water dispenser thingy late at night 1 baht per liter reverse osmosis thing cause we ran out of water.

    I keep 4-5 liters in the fridge at all times as well, so its a pain in the dick to fill up other containers.

    And there was a few times the white jug wasn't clean, had grit in the water etc...

    And I'm a big fat floppy vagina when it comes to sanitation

    Now I just turn a little valve & get it on tap. Fill up what I wanna fill up & done. No bottles, glass, trade-ins etc to keep up with.

  10. #10
    Thailand Expat David48atTD's Avatar
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    Quote Originally Posted by Pink View Post
    Son my built is finish and my wife want to collect water from roof into large thanks for drinking water. Im thinking of getting some water purifier solution, anyone here have experience on this to share?

    Pink
    Pink, the Thai Family harvests water directly from the roof.

    They wait for the rainy season, let it wash 2 or 3 times, depending on the intensity of the downpour.

    Store in in those Jars. They let it settle for some months then we use for drinking/cooking.

    I've been drinking it for about 7 years now ... nary a problem.
    In Thailand, when we live there, we stay with the extended Thai Family so essentially living the Thai Lifestyle.

    EDITED to add ...

    Quote Originally Posted by David48atTD View Post
    Thai is akin to what happens at the Thai Farm ...

    Quote Originally Posted by David48atTD View Post
    Ever wonder how those heavy water jars are moved?

    Get family, friends and relatives to help.

    Quote Originally Posted by David48atTD View Post
    If I could add to the mix?

    I live with a an extended Thai Family, so the focus is not on me, but on the Thai Lifestyle.

    Water for washing is the government supplied trickle feed.

    How the Thai Family 'harvest water' is to simply run the water off the roof into a collection of Ceramic Jugs.


    The Jars used to store the water.

    The water remains untouched for a few months so that any particulate matter can drop to the bottom.
    Water for cooking is then simply scooped from the top. Ditto for drinking water, but it's run through a small charcoal filter sat on the kitchen benchtop.

    We have charcoal makers nearby so, our roof gets filthy so, before the downpipe is placed over the storage vessels, we allow a few thunderstorms to roll over to was the roof.


    So, how does this all relate to you?

    Three points really.
    • In the West, we tend to over-engineer everything. Thailand highlights what can be achieved with not much coin.
    • Harvested rainwater, stored correctly is usually good to drink and doesn't need any fancy filtering.
    • If you are going to harvest the rain water, you need to have a 'First Flush' system in place to make sure the roof has been rinsed clean.
    There are a squillion ways to do this, depending on what your main contaminant is.








    Google 'rainwater first flush' for the many options.


    As for storing water overhead, your tank height might have to be 6 - 8 meters high.
    Water pressure can be measured in three common units, bar, psi and Head (m). 1 bar = 10 metres Head = 14.5 psi.
    The water pressure available in a gravity-tank fed system is directly related to the height of the water storage tank. To calculate the available pressure simply measure the distance, in metres, from the bottom of the water tank to the outlet of the tap or shower and multiply by 0.1. This will calculate the pressure in bar…

    For example : 0.1 Bar (1.45 psi) is equal to approx one metre of height between the bottom of the water tank and the outlet of the tap or shower.
    1 metre height of water = 0.1 bar
    2 metre height of water = 0.2 bar
    3 metre height of water = 0.3 bar
    4 metre height of water = 0.4 bar
    etc
    The Inground storage tank can be effected by the height of the water table.

    Think of a half empty tank akin to a boat in the ocean. It's an issue, but easily overcome. A plus is that your water is 'cool' all the time.

    Read more here.


    Enjoying your thread immensely.

    David


    Oh, to clarify, the house in the photo isn't where we live but belongs to an Aunt.
    It got damaged in a Storm 2 years ago and has since been demolished and a smaller one built in it's place.
    .


    This is an interesting read ... http://teakdoor.com/farming-and-gard...hink-rain.html (Why do Thai people think rain water is dirty....)
    Last edited by David48atTD; 20-07-2017 at 03:10 AM.

    “Someone is sitting in the shade today because someone planted a tree a long time ago”

    .

  11. #11
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  12. #12
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    Well, that link didn't work, but Google - water catchment system in Hawaii

  13. #13
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    The First Flush Diverter is surely a clever thing, however, I do not believe that it results in a clean water for an immediate use (provided that it really works).

    As of my own experience - beside the first dirt flushed off by the first minutes of rain -the collected water contains a further fine dirt that is laying (and sticking) on the roof and in the gutter. Settling on the roof daily not only from the road but also from the surrounding vegetation. This dirt needs to slowly settle in a storage tank. Then, next 1 - 2 days the clean water can be taken out by an outlet some 10 cm above the bottom.

    When you look into the tank after few weeks, you will see at the bottom few cms of a black sludge that has to be regularly (2-3 months) flushed out by an outlet at the bottom level. (The plastic tanks sold in Thailand do have these 2 outlets).

    I use such rain water settlement tanks for addition to the main storage water tank, used for house water system and swimming pool. The flow either by a natural gravitation or by a small pump for few minutes (not to forget to switch it off .

    For a faster and better settlement - and for disinfection - is good to add a very miraculous material, in Thailand easy (and cheap) to get - Alum (Alaun) - in Thai SaanSom, a bag for 350 Baht. One stone crystal or a handful of crushed powder to throw into the tank.

    https://en.wikipedia.org/wiki/Alum

  14. #14
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    Quote Originally Posted by Slick View Post
    I paid about 6k fitted for something like this:

    Exactly what I have Slick. Works great and has a line plumbed to water and ice maker for my fridge. Love having ice on demand.

    We also have a big reverse osmosis carbon tank system by my water tank for all house water that comes from the city. This is for shower and toilets and other sinks. This keeps the lines clean and free of build up. While Yes I could drink that water (and have) I prefer the additional water purification under the kitchen sink for fridge and ice.

    I had considered bi monthly water delivery but didn't want to deal with having to be around to answer for the deliveries and signing for it.

    As for rainwater off the roof, we have 2 medium sized tanks ( 1 on each side of the house) and we use that for washing dishes, my FIL uses it for washing his clothes( will not use washing machine old school Thai). We also use the water to fill up the lotus pots and wash various things like tools, or feet after working in the yard, sometimes I splash it on me when I am hot and sweaty from yard work etc. We also have 2 wells and use all well water for property up keep.
    Last edited by JPPR2; 21-07-2017 at 10:04 AM.

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