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  1. anaerobic would skip nitrite entirely, you go...

    anaerobic would skip nitrite entirely, you go ammonia straight to nitrogen gas-but to be anaerobic it is run as a batch process. i.e they fill it and leave at 30C until all oxygen used up and provide...
  2. Thread: Japan beckons

    by Biogeny
    Replies
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    1,314

    The fabulous baker boys, very much enjoy chaps

    The fabulous baker boys, very much enjoy chaps
  3. Thread: Nitrite spike

    by Biogeny
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    1,967

    sorry, had to wash the car. the media shouldnt...

    sorry, had to wash the car.

    the media shouldnt really be used up so no effect.

    Dave (Deddog), Momotaro is a bad example as i believe the water change rate is massive-i.e is thye "trickle enough...
  4. Thread: Nitrite spike

    by Biogeny
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    1,967

    down to 0.13, either pure pond is magic or they...

    down to 0.13, either pure pond is magic or they have started growing again at the higher kh-i even fed this morning
  5. Thread: Nitrite spike

    by Biogeny
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    1,967

    i think it's showers-the bacteria use CO2 as the...

    i think it's showers-the bacteria use CO2 as the carbon source

    co2 in water with no buffering makes carbonic acid so water gets acidic

    the buffer increases the ammount of OH- so a greater...
  6. Thread: Nitrite spike

    by Biogeny
    Replies
    30
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    1,967

    crept up to 0.27 even though i stopped...

    crept up to 0.27 even though i stopped feeding-took kh to 4 and m&f yesterday. dropped a pond bomb in and threw some pond balls into the moving bed.

    this morning its 0.16-so no way of knowing what...
  7. Thread: Nitrite spike

    by Biogeny
    Replies
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    1,967

    still not winning, nitrite 0.22 still and I can...

    still not winning, nitrite 0.22 still and I can see it in the skin of the showa and some of their behaviour-more sluggish than normal.

    going to drop feeds to twice a day.

    kh up to 3.5 now,...
  8. Thread: Nitrite spike

    by Biogeny
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    30
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    1,967

    other variable that i forgot is that my 20% a...

    other variable that i forgot is that my 20% a week trickle will have been off because of the m&F
  9. Thread: Nitrite spike

    by Biogeny
    Replies
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    1,967

    kept the feed the same as yesterday, 8am 1pm and...

    kept the feed the same as yesterday, 8am 1pm and 7pm
  10. Thread: Nitrite spike

    by Biogeny
    Replies
    30
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    1,967

    scores on the doors at evening feed, brought kh...

    scores on the doors at evening feed, brought kh up to 3, pH 7.75 and nitrite 0.19-looks to be going in the right direction. If it does seem to be kh related then that would be interesting.
    ...
  11. Thread: Nitrite spike

    by Biogeny
    Replies
    30
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    1,967

    0.22 this morning, so the critters have oxidised...

    0.22 this morning, so the critters have oxidised 10% of it or 0.45g overnight. Definitely feel its carbon limitation of the nitrospira so will start ramping the kh back up today.

    I can always see...
  12. Thread: Nitrite spike

    by Biogeny
    Replies
    30
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    1,967

    2 Daves Keith, i always just worked mine out from...

    2 Daves Keith, i always just worked mine out from what the kh was compared to the pH.

    clearly less ammonia from the low fish load will produce less nitrite, conversely i am quite heavily stocked
  13. Replies
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    If anyone fancies giving donations, I'd happily...

    If anyone fancies giving donations, I'd happily accept 12hrs of sleep-work today was like wading through treacle after 7 days hard graft.
  14. Thread: Nitrite spike

    by Biogeny
    Replies
    30
    Views
    1,967

    plan is firstly to get back to status quo over...

    plan is firstly to get back to status quo over next couple of days by dropping back feeding, water change and bringing kh back up, 52.5 seems to be my magic number but with my turnover that shoots pH...
  15. Thread: Nitrite spike

    by Biogeny
    Replies
    30
    Views
    1,967

    Nitrite spike

    Next year want to have a play about with the best way to control nitrite in my pond, sure its related to my kh but am going to have a play with media types in the shower. Its always nitrite that goes...
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    isle of ely koi , roger, is where i got mine.

    isle of ely koi , roger, is where i got mine.
  17. Replies
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    3,100

    i've had one of those covers permanently on mine...

    i've had one of those covers permanently on mine for 2 years mate, its got an opening on the top where the spray bars enter and you can just leave a little gap in the velcro

    very pleased with mine
  18. Replies
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    I saw him too trying to find you guys

    I saw him too trying to find you guys
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    so about 1100 gallons is there a budget for...

    so about 1100 gallons


    is there a budget for a drum Dave? would also go moving bed because it will reduce heating costs and deal with the shower upward pressure on pH making it easier to get...
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    great news

    great news
  21. Replies
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    cutting all the boring technobabble (Dave is...

    cutting all the boring technobabble (Dave is right its at 0.05ppm final), get pH over 7.4 and toxicity shouldnt be an issue-if worried turn UV on as it will degrade both dyes
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    kusuri probably biobalance and doesnt dissolve...

    kusuri probably biobalance and doesnt dissolve great as its calcium bicarbonate, the kh requirement of acriflavine hydrochloride is simply its very acidic and so its more to prevent a pH crash than...
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    no, sodium thiosulphate stops the oxidising power...

    no, sodium thiosulphate stops the oxidising power by virtue of being a reducing agent but it leaves the water brown as it leaves the manganese dioxide in the water.You add the hydrogen peroxide...
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    grey high pressure rigid pipe as well, think its...

    grey high pressure rigid pipe as well, think its was 3/4inch
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    good Luck Andy

    good Luck Andy
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