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Thread: DTF's New Pond

  1. #841
    Senior Member Rank = Gosai Dom G20's Avatar
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    Phwoarrrrrr love it!


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  3. #842
    Senior Member Rank = Grand Champion samp09's Avatar
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    Typically sloppy job from you Dave That is a work of art mate!

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  5. #843
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    thanks lads

    just need to get my new RO pump ordered up tomorrow,
    for the recycle RO

    and then a bunch of 12mm and 1/4" fittings,
    for my waste water heat reclaimation project.

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  7. #844
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    we have Recycle RO!!!

    fitted the new booster pump and 3/8" pipework to the bio feed pump today,
    i've got 80 psi at the membranes,
    600ml/min RO product at 4 TDS
    400ml/min RO waste
    600ml/min Dechlorinated trickle in.

    it's still in the beta testing stage to see how it performs...
    with prefiltering, pump pressure. and duty cycle, RO product to waste ratio,
    and monitoring the PH and KH.

    i've also ordered some more sodium bicarbonate,
    in case the dechlorinated trickle in water isn't enough to hold the KH where i want it, and i need to add some.
    and i still need to jiggle some wiring and pipework around to neaten it up.
    but it's finally up and running...

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  9. #845
    Extreme Koi Member Rank = Supreme Champion john1's Avatar
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    Looks great Dave well done, dont understand how it works though
    John

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  11. #846
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    Quote Originally Posted by john1 View Post
    Looks great Dave well done, dont understand how it works though
    thanks John,

    basically instead of doing for instance:
    1200ml/min pond water trickle out (10-15ppm of nitrate)
    1200ml/min dechlorinated trickle in (5ppm nitrate)

    i can do
    1000ml/min of pond water pumped to the RO
    400ml/min pond water trickle out at (about 24ppm of nitrate) concentrated by the RO membrane.
    and put 600ml/min of purified pond water at (0ppm nitrate) straight back to the pond.
    and add 600ml/min dechlorinated trickle in (at 5ppm nitrate) to hold KH up, and replace trickle out losses.

    1) i use 50% less mains water
    2) save 50% of heated water lost.
    3) i get topup water that is twice as pure as straight trickle in.
    4) i can run at a lower KH and PH and TDS....

    i'm still ironing out the creases,
    but i should mean my pond water is a lot more pure and clean,
    and i'll save water, and heat as well....

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  13. #847
    Looking great Dave, I’m in the process of doing exactly the same with my old Ro, I have 2 x 100gpd membranes already and was going to add another membrane to them and run them in series as you have. Can you tell me what flow rate restrictor you are using please ? And what flow pump do you go for in the end ? Thanks Andy

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  15. #848
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    Quote Originally Posted by funkrat View Post
    Looking great Dave, I’m in the process of doing exactly the same with my old Ro, I have 2 x 100gpd membranes already and was going to add another membrane to them and run them in series as you have. Can you tell me what flow rate restrictor you are using please ? And what flow pump do you go for in the end ? Thanks Andy
    sent you a pm

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  17. #849
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    I've been doing some more 'secret' work in the filter house over the last couple of days...

    also altering the RO setup adjusting the lpm, pressure, bypass setpoint, and amperage of the pump, on the duty cycle.
    in order to control the pump from overheating.
    as it is drawing a lot more current working from 0psi and pulling through a set of three filters.
    that the specs allow for on the lpm vs pressure vs amperage, heat curve.
    i may even need to get a higher amp rated power supply that the one supplied..

    i now have it running at a higher rejection rate of 1 part waste to 2 parts RO.
    so going in/out for the pond is:
    600ml pure RO in,
    300ml waste out,
    400ml Dechlorinated water in,
    so i've cut my water useage from 1000ml/min down to just 400ml/min.

    the PH has started to drop slightly over the last few days from 7.6 to 7.4,
    and KH has dropped by 1
    TDS is down from 245 to 198

    here is a video how it's set up.


    Last edited by davethefish1; 21-01-2022 at 09:37 PM.

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  19. #850
    Senior Member Rank = Mature Champion smartin's Avatar
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    mate thats such a great set up you now have, one of the best filter houses i have seen so neat and advanced..... credit to you Dave
    2200 gallons,infinity window,
    Evolve 4k combi,spindrifter,
    2x20k pumps, BD,Skimmer,
    Shower, ASHP

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  21. #851
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    cheers mate
    this is what happen's when your stuck inside during the winter with little else to do lol!

    replaced all my 1/2" hose pipe with black 3/8" LLDPE pipe and grey JG fittings today.
    makes the nest of vipers i now have in the filter house look reasonable tidy....
    Last edited by davethefish1; 22-01-2022 at 12:43 AM.

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  23. #852
    Extreme Koi Member Rank = Supreme Champion john1's Avatar
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    Your a genius Dave I wouldn't know where to start.
    John

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  25. #853
    Senior Member Rank = Mature Champion smartin's Avatar
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    Quote Originally Posted by john1 View Post
    Your a genius Dave I wouldn't know where to start.
    agree with you there John....
    2200 gallons,infinity window,
    Evolve 4k combi,spindrifter,
    2x20k pumps, BD,Skimmer,
    Shower, ASHP

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  27. #854
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    Inventive lol
    Last edited by davethefish1; 31-07-2022 at 06:40 PM.

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  29. #855
    Senior Member Rank = Mature Champion smartin's Avatar
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    You carry on Dave once you have mastered and are happy with it all maybe you would come down and help me build my mk2, forum mates rates of course
    2200 gallons,infinity window,
    Evolve 4k combi,spindrifter,
    2x20k pumps, BD,Skimmer,
    Shower, ASHP

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  31. #856
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    Quote Originally Posted by smartin View Post
    You carry on Dave once you have mastered and are happy with it all maybe you would come down and help me build my mk2, forum mates rates of course
    of course mate,
    ...just fly me down 1st class and feed me

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  33. #857
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Quote Originally Posted by davethefish1 View Post
    of course mate,
    ...just fly me down 1st class and feed me
    Filet stake topped with caviar and a glass or two of 1820 Juglar Cuvee – $43,500

    Sent from my SM-G973F using Tapatalk
    Freddyboy the legend

    "we are water keepers first"

    Johnathan

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  35. #858
    Senior Member Rank = Mature Champion smartin's Avatar
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    Quote Originally Posted by davethefish1 View Post
    of course mate,
    ...just fly me down 1st class and feed me

    oh of course Dave..... with your DIY skills and knowledge i am surprised you don't do pond building and maintenance etc...any how if we ever move you never know, i might give you a buzz
    2200 gallons,infinity window,
    Evolve 4k combi,spindrifter,
    2x20k pumps, BD,Skimmer,
    Shower, ASHP

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  37. #859
    Senior Member Rank = Supreme Champion davethefish1's Avatar
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    i had a trip out to Queni Koi today to collect my Otsuka Gin Rin Chagoi
    very happy with my selection.








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  39. #860
    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Quote Originally Posted by davethefish1 View Post
    i had a trip out to Queni Koi today to collect my Otsuka Gin Rin Chagoi
    very happy with my selection.







    Wow beautiful that mate really shines

    Sent from my SM-G973F using Tapatalk
    Freddyboy the legend

    "we are water keepers first"

    Johnathan

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