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  1. #21
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    Quote Originally Posted by bigcarpchaser View Post
    I’m here for you mate, reach out and touch How long will sodium tripolyphosphate remain in the waterHow long will sodium tripolyphosphate remain in the water


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    Ermmm NO, no touching, 2 meter rule
    4600 Gallon Concrete Block and Fiberglass
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    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
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  3. #22
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    I've now got the workshop air compressor going on 3 x 6mm hoses to 3 air stones, bubbling like a witches cauldron
    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Idealseal MS290

    My Pond Build

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  5. #23
    Extreme Koi Member Rank = Jussai anne's Avatar
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    Blimey ......hope everything works out ok...….nightmare or what......

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  7. #24
    Quote Originally Posted by RoyLittle0 View Post
    Ermmm NO, no touching, 2 meter rule
    Metaphorically obviously...keep us posted How long will sodium tripolyphosphate remain in the water


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  9. #25
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    Quote Originally Posted by bigcarpchaser View Post
    Metaphorically obviously...keep us posted How long will sodium tripolyphosphate remain in the water
    Will do, all seems calm at the moment, well, apart from the water, the fish are still at the surface, almost upright but a little more responsive, so I think its working
    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Idealseal MS290

    My Pond Build

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  11. #26
    That’s good news Roy How long will sodium tripolyphosphate remain in the water


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  13. #27
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    Just done a water change, my pond is 4600 gallons and it took 6 hours to fill from empty, so the water was in the pond for 2 hours so that's about 1/3 around about 1500 gallons? or am I losing it, I've put in 60 grams of ST to neutralise the PP and another 60 grams to neutralise the Chlorine, which to me should be plenty, but no, the water goes instantly pink with the DPD-4 tablets added, ST has been in the pond now for 3 hours, so I've just added another 120 grams, i'll test again in 30 minutes but I cant seem to get rid of the pink, DPD-4 tablets are in date and using Manky's method to test, instant reading
    Last edited by RoyLittle0; 23-05-2020 at 08:52 PM.
    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Idealseal MS290

    My Pond Build

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  15. #28
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    Or is the residue from the PP effecting the test results?
    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Idealseal MS290

    My Pond Build

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  17. #29
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    So, I've run a little test with the DPD-4 tablets

    Tap water, straight out of the tap = Light Pink
    Pond water with PP brown residue = Dark Pink

    Conclusion, DPD-4 tablets don't tell you anything if there is PP residue in the pond?

    Or am I missing something entirely?
    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Idealseal MS290

    My Pond Build

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  19. #30
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    Why am I here?
    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Idealseal MS290

    My Pond Build

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  21. #31
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    I think i'm going to be a chicken farmer
    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Idealseal MS290

    My Pond Build

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  23. #32
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    I just can't take it anymore
    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Idealseal MS290

    My Pond Build

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  25. #33
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    I've never struggled with the confusion of Brown and Pink before in my life
    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Idealseal MS290

    My Pond Build

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  27. #34
    Lol there’s always that first “accidental”
    mistake Roy


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  29. #35
    Quote Originally Posted by RoyLittle0 View Post
    So, I've run a little test with the DPD-4 tablets

    Tap water, straight out of the tap = Light Pink
    Pond water with PP brown residue = Dark Pink

    Conclusion, DPD-4 tablets don't tell you anything if there is PP residue in the pond?

    Or am I missing something entirely?
    The important one is what colour is it coming out of your dechlorinator or are you just using the ST you’ve already added?
    If so, maybe that’s depleted doing it’s stuff with the PP?

    I was rubbish at chemistry at school so that’s probably a load of tosh.


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  31. #36
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    When I started all this nonsense I have a clear test on the DPD-4 tablets

    I then added the PP and had to keep increasing the dose as it went brown within 30 to 40 minutes, I thought this was because I had done a water change the night before and added ST to the pond (filled using a hose pipe)

    After 4 hours of the PP being purple/Red whatever colour it is, I added ST at a rate of 12.5 grams per 1000 gallons of pond water - 57.5 grams, call it 60 grams

    PP went brown within a few minutes

    After an hour I found a fish floating upside down, it was still alive but only lasted another 30 minutes, the other fish started to gulp at the surface and were lethargic

    I then added 3 additional air stones on top of the EA 130 pump to the bio and two bottom drains

    I then added the hose pipe to give it a water change and added 60 grams off ST which is enough to de-chlorinate the whole pond

    After an hour I tested with DPD-4 tablets and got bright pink instantly, added more ST, this time 120 grams (double dose)

    Turned the water off after it had been in for two hours

    More ST added and then 30 minutes later still bright pink



    So I have added about 1500 gallons of water and 300 grams of ST and still bright pink

    Now the water is off but the air is on full, fish seem to have returned to some form of normality, but only time will tell

    I can only assume that the DPD-4 tablets have reacted to with the PP even after it is neutralised, if it is truly neutralised, although it is brown




    My head hurts
    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Idealseal MS290

    My Pond Build

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  33. #37
    I suspect you’re correct what with PP being pink and all.
    If you had chlorine your fish would almost certainly be flashing like mad I would have thought rather than being lifeless and lethargic.

    I won’t be doing my pond until at least next weekend as I don’t have time during the week to stay pond side for 4 hours plus after spawning I expect the water might be a little “ripe” for a while.

    Hope things improve tomorrow mate. Little you can do right now.


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  35. #38
    Senior Member Rank = Nanasai Mikeh83's Avatar
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    How are the fish Roy?


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  37. #39
    Senior Member Rank = Mature Champion RoyLittle0's Avatar
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    Quote Originally Posted by Mikeh83 View Post
    How are the fish Roy?

    They all seem to be okay this morning, they near the bottom of the pond but all swimming around the right way up, so it looks like they have all pulled through

    I can only assume that it was not enough air, EA-130 running to two aerated bottom drains and a bio filter as well as the Bakki shower, obviously weren't enough

    A learning curve for next time
    4600 Gallon Concrete Block and Fiberglass
    2100 mm x 710 mm Infinity Window 32mm thick
    2 x Aerated Bottom Drains and Skimmer
    Filtreau HiFlow 30 Drum Filter
    Bio Chamber - 140 litres K1
    Bakki Shower - 30 KG Sakura Far Infrared Media
    2 x 18,000 lh pumps
    Idealseal MS290

    My Pond Build

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  39. #40
    Senior Member Rank = Nanasai Mikeh83's Avatar
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    Glad to hear that the fish have perked up. I have not had to treat PP myself. I know the guidance is make sure you have plenty of air and a neutraliser to hand. Plenty of air is pretty vague as I would have said ea130 would have supplied “plenty of air” lucky you had a back up How long will sodium tripolyphosphate remain in the water

    Interesting how the dp4 tests seemed to be impacted by the spent PP, I would be interested in seeing Syd’s response on this. I personally prefer to make up a stock solution than adding crystals in my mind its more easily dispersed.

    Let’s hope the PP did the job for you.. was it tric?


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