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Results 1 to 5 of 5

Thread: water gone mad

  1. #1

    Default water gone mad

    0 Not allowed!
    can anyone help me please. I can't understand whats going on with my aquarium water!, I have a ph of 7.5, but KH is 1*dh and GH is 3, I use a master testkit and ph probe which give the same results. I keep discus with bare-bottom tanks running into 1 sump, the sump has alfagrog, sponges and floss. I do waterchanges with RO and tap water. In my RO storage bin the PH is 6.6 so I can't understand where the alkilinity is coming from - any ideas?

  2. #2

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    It could be rocks,wood,type of substrate used.Cannot tell without a description of the tank or a pic or two.
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  3. #3


    0 Not allowed!
    Hi, thanks for your reply, I don't know how to get pics on here yet, all tanks are bare-bottomed except one I keep for neons which has the black gravel, I tested it with vinegar and it did'nt fizz so I assumed it was ok, in the same tank I have a large mat of java moss, water millfoil, amazon sword and a small piece of bogwood. I have small pieces of slate with white plastic pipe siliconed to it in the other discus tanks as breeding 'cones'. I have 3 heaters in total (500, 300 and 200 watts). 1 pump and the ph and orp probes in the sump [with alfagrog, sponges and floss). I filter the ro & tapwater bin through peat using an external filter. Hope this helps towards a diagnoses, half of the eggs that were laid Saturday have now turned white (I can see movement in the remaining ones), so would I be right in thinking this would be due to the ph?

  4. #4

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    0 Not allowed!
    I'm not too sure I am correctly understanding what you are saying in the last part of your post.

    Are you using RO water, or tap water, or both ?
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  5. #5


    0 Not allowed!
    yea, I use RO water and 2 buckets of tapwater which I mix and get up to temperature in a plastic bin, and I use an external filter containing just peat [and a bit of floss to stop any particles], with both in and out pipes into the bin so it's circulating, I used to use it in the sump but find this method a lot cleaner. hope this helps.

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