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Thread: Continuous rain

  1. #1
    Tosai
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    Continuous rain

    It's been raining for 2 straight days. How this will affect our pond water? What is the steps needed to normalize the water once the rain stops? There are only 2 trial gold fishes in the pond now.

  2. #2
    Daihonmei dick benbow's Avatar
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    rain can add poluntants to the water depending on the wind's direction and whether it blows in from a heavily industrialized
    city. Monitor your PH incase it starts to get hard. It can quite easily be buffered.

    Some of my favorite stories about this came from Kentaro at Sakai hiroshima. Working hard all day and hitting the rack for sleep only to be awaken by a PH monitor in the tosai ponds. So back up and working to buffer the PH and at the end of the night with no sleep back to work for normal day's jobs. No rest for the weary. But understandable if you have a fortune in living creatures that have to be protected. ( and you thought being a breeder was the best career one could have )
    Dick Benbow

  3. #3
    Tategoi semi skilled keeper's Avatar
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    Hi Marcrus, I have no idea about what part of the world you live. In some areas rain water is the cleanest water they can get. Tap water is designed to be fit for humans not fish, various chemicals are added to clean it, most of these are toxic in one way or another.
    MOST RAIN IS ACIDIC , caused by oxygen passing through carbon dioxide, producing carbonic acid.
    Dick quite wrightly talks about industry,but many types of natural areas can affect your koi ponds.
    Buffering agents such as sea shells or limestone added at end of your filter will help.
    Having seen Sakais' Tosai I expect that each is known by name ( even if there are 10 000 )

  4. #4
    Tosai
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    Quote Originally Posted by semi skilled keeper View Post
    Hi Marcrus, I have no idea about what part of the world you live. In some areas rain water is the cleanest water they can get. Tap water is designed to be fit for humans not fish, various chemicals are added to clean it, most of these are toxic in one way or another.
    MOST RAIN IS ACIDIC , caused by oxygen passing through carbon dioxide, producing carbonic acid.
    Dick quite wrightly talks about industry,but many types of natural areas can affect your koi ponds.
    Buffering agents such as sea shells or limestone added at end of your filter will help.
    Having seen Sakais' Tosai I expect that each is known by name ( even if there are 10 000 )
    We live in Manila, Philippines. I'm pretty sure that the rain is acidic. Do we also need to change the water by half and add more salt? Can we add the seashells or limestones inside the filter?

  5. #5
    Tosai
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    Hi Marcrus ,

    Sounds pretty much what we are facing here in Malaysia . daily rain. Sometimes overfills my pond with now abt daily BD flush of 2-3% , just from rain water. Do buffer your pond with Oyster or big corals , i do it at 5kg corals per ton water. Never had any pH issues since topping up my coral buffers years ago. Also do keep some soda bicarbs handy just in case , though very unlikely needed if coral buffers are kept clean. I had a pleasant surprise just yesterday , tested some rain water collected in test tubes, guess what pH 7 !! long ago i recall something like pH 4-5. The kois just loves it and the TDS is low as ever with my feeding and water changing regime.

    ts

  6. #6
    Tosai
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    Quote Originally Posted by Lau Teck Seng View Post
    Hi Marcrus ,

    Sounds pretty much what we are facing here in Malaysia . daily rain. Sometimes overfills my pond with now abt daily BD flush of 2-3% , just from rain water. Do buffer your pond with Oyster or big corals , i do it at 5kg corals per ton water. Never had any pH issues since topping up my coral buffers years ago. Also do keep some soda bicarbs handy just in case , though very unlikely needed if coral buffers are kept clean. I had a pleasant surprise just yesterday , tested some rain water collected in test tubes, guess what pH 7 !! long ago i recall something like pH 4-5. The kois just loves it and the TDS is low as ever with my feeding and water changing regime.

    ts
    Hi Lau Teck Seng,

    Just in case I need to use baking soda, how much of it per 100 gal?

  7. #7
    Tosai
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    Hi Marcrus,

    Sorry no help here , its in one of the thread. How much gram for increase in 0.1 pH reading . Others pls help chime in.

    thanks
    ts

  8. #8
    MCA
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    Honmei MCA's Avatar
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    Quote Originally Posted by Lau Teck Seng View Post
    Hi Marcrus,

    Sorry no help here , its in one of the thread. How much gram for increase in 0.1 pH reading . Others pls help chime in.

    thanks
    ts

    There is no magic parts per million (ppm) or milligrams per liter for adding baking soda. You add enough to achieve the desired measured result. Typically you add enough to bring acidic water to a more desired value in the 7.0-7.5 range. Naturally you need a good calibrated pH meter or test kit.

    Personally I don't add baking soda to maintain pH. Every spring I add 30 pounds of crushed coral to the trays in the bakki shower. The coral will dissolve as needed to neutralize acids in the water. throughout the year And the off gassing in the shower helps reduce dissolved CO2 (which in water is carbonic acid).
    Koi keeping is not a belief system; it is applied science with a touch of artistry.

  9. #9
    Tategoi semi skilled keeper's Avatar
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    Hi GUYS, OH TO HAVE RAIN THAT IS 7 .HEAVEN !!!!
    I keep banging on, but look at your two last post, one is in metric the other imperial ! Grams and gallons don't mix.

    If you use metric all measurements are in units of ten. Specific gravity of water is one.
    1 CUBIC METER OF WATER (1M X1M ) IS = 1 LITER OF WATER = 1KILO
    1cc of water = 1 gram

    As baking soda is not a standard item, if you feel you must use it ( i would not as it is too harsh ) measure out 1 liter of water measure the ph .add 1 gram of soda, measure the change.

    I live in the UK AND YES MANY PEOPLE STILL USE IMPERIAL or mix the two. Americans have even more problems as their Gallon is not the same as an imperial one.
    This can result in overdose of meds.

    Good luck
    Brian

  10. #10
    Tosai
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    Hi Guys ,

    Corals/ Oysters shell still preferred , actually corals (unwashed) have a bad rap as harbouring bact that leads to hikui . Is it a myth or reality in your locale? Bicarbs wrecks havoc if you are running with TDS measures. But works great if you have a pH drop, just drop in till pH reaches at least 6.5-7.

    Just saw my status on this thread , join date Dec 2004 , that's 10 year exactly. Been longer into kois , the more i know , the more i know not !

    ts

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