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  1. #21
    Moderator Rank = Supreme Champion Feline's Avatar
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    Quote Originally Posted by ndwgolf View Post
    Please can you send me a link to that meter of yours..........I wouldn’t mind having one of those bad boys

    Neil


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    Here you go https://www.amazon.co.uk/Bluelab-Gua...3-384c62c0be4f

    Quite a few of us who are running RO +/- recycling are using this meter.
    I also have TDS meters on the RO output and waste pipes, but this one gives a pond overview in addition to pH and temp continuously so is very useful. You need to calibrate the pH probe from time to time, it comes with packets of the solutions to do this with.

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  3. #22
    Quote Originally Posted by Feline View Post
    Here you go https://www.amazon.co.uk/Bluelab-Gua...3-384c62c0be4f

    Quite a few of us who are running RO +/- recycling are using this meter.
    I also have TDS meters on the RO output and waste pipes, but this one gives a pond overview in addition to pH and temp continuously so is very useful. You need to calibrate the pH probe from time to time, it comes with packets of the solutions to do this with.
    Thanks a lot pal..........how long are the probe cables, just trying to figure out where to place it out of the elements........or is it waterproof

    Amazon UK wont ship this to Thailand, but Amazon US will so no issues in getting one shipped
    Neil


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  5. #23
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    Quote Originally Posted by ndwgolf View Post
    Thanks a lot pal..........how long are the probe cables, just trying to figure out where to place it out of the elements........or is it waterproof

    Amazon UK wont ship this to Thailand, but Amazon US will so no issues in getting one shipped
    Neil


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    The probes are waterproof but the display isn’t. I think the cables are around 1m long if I remember rightly. I have the probes inside my skimmer mouth- they come with suckers to stick on the side.

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  7. #24
    Senior Member Rank = Jussai Djstiles999's Avatar
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    Do you find the PH reading is accurate running low KH? I spoke with Seneye who seemed to think you needed to be around 7/8 to get good readings?

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  9. #25
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    Quote Originally Posted by Djstiles999 View Post
    Do you find the PH reading is accurate running low KH? I spoke with Seneye who seemed to think you needed to be around 7/8 to get good readings?
    It’s a lot more accurate than the Seneye My Seneye web server packed up and I decided to get this instead of replacing it.

    Like all pH probes it will drift over time, so regular calibration is necessary. However I’ve had this one for months and it’s still dead on. Andy Finch is experimenting with his by fitting a more expensive industrial pH probe to it- he hasn’t yet reported his verdict as he’s going to give it a while. I also have a pH controller that has a more expensive pH probe on it, and a peristaltic pump for the bicarb, so I’m not at all worried about running a KH below 2.

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  11. #26
    Quote Originally Posted by Feline View Post
    Yes sort of. I say sort of because I’ve not been running my RO system over the past few months since my membrane needs replacing and I’ve been off sick from work on and off.

    This time of year I can pretty much get away without running it anyway because I’m holding 22-23C and feeding heavily. The filters bugs are chewing through all the KH in my mains top up so I’m having to add bicarbonate to keep the pH at around 7.3. KH from the tap is 10!

    This is current without the RO running (complete with filter house cobwebs), KH is just under 2 DH


    My RO setup is one I’ve built myself based on Andy Finch’s original idea of recycling pond water through an RO membrane from the clean side of the drum. I’m using a single 4040 Eco membrane (these are the big 1m long membranes used by pole window cleaners). Andy has now set up his own business building these systems for customers, and he is selling plain RO and recycling RO complete setups that he has made look all tidy and smart- so you can now buy an out of the box system without messing about yourself. I kind of like playing with water, pipes and meters though
    Yeah I did see that video on YouTube actually where did you buy the device that shows the figures and the membrane from? I am intrested in it I must admit. Did you notice when you run ro the fish look after them self as such? As from what he said on the video is that he hasn’t done a retreatment on his koi in years running ro i think he raid it down to running a TDS of like zero. All very interesting.


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  13. #27
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    You’d never get the TDS to zero- especially with fish in. But it’s realistic to have an RO output below TDS of 10.

    My RO bits and pieces mostly came from Vyair- they do various models of TDS meters and flow meters for different sizes of RO pipe and mounting options. Andy Finch is also now supplying all this kit, his new website isn’t yet live but he’s on Facebook and will happily chat to people about what they need.

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  15. #28
    Senior Member Rank = Jussai Djstiles999's Avatar
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    That’s interesting, I’m sat at around 3/4 naturally but bulk buy bicarb, finding I’m chewing more in the grow on than the pond although pond is very lightly stocked and filter isn’t fully mature. Will do some research though as whilst the test is easy it’s another daily task that could be dealt with automatically maybe

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  17. #29
    Quote Originally Posted by Feline View Post
    You’d never get the TDS to zero- especially with fish in. But it’s realistic to have an RO output below TDS of 10.

    My RO bits and pieces mostly came from Vyair- they do various models of TDS meters and flow meters for different sizes of RO pipe and mounting options. Andy Finch is also now supplying all this kit, his new website isn’t yet live but he’s on Facebook and will happily chat to people about what they need.
    Yeah. Il have a look on the web. I’m not on Facebook but il keep a eye out for his site when it comes out. So I’m assuming you are a fan of ro then.


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  19. #30
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    Quote Originally Posted by Djstiles999 View Post
    That’s interesting, I’m sat at around 3/4 naturally but bulk buy bicarb, finding I’m chewing more in the grow on than the pond although pond is very lightly stocked and filter isn’t fully mature. Will do some research though as whilst the test is easy it’s another daily task that could be dealt with automatically maybe
    Yeah, the pH controller and either peristaltic pump or solenoid valve to a raised bicarb solution chamber (this is what Chip now has, if you watch any of his Rasta Koi movies on YouTube) can manage the pH for you. The only manual bit you need to do is chuck a few kgs of bicarb in the container from time to time, and calibrate the probe occasionally.

    Its nice to have a secondary monitor like the Bluelab that you can glance at every day when checking your fish though, just to make sure everything is ok.

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  21. #31
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    Quote Originally Posted by charco123 View Post
    Yeah. Il have a look on the web. I’m not on Facebook but il keep a eye out for his site when it comes out. So I’m assuming you are a fan of ro then.


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    Well I run RO (usually), but I’m certainly not saying it’s for everybody.

    Its well worth watching some of Chips videos to get an idea of what the kit for recycling RO looks like etc. My filter house is too covered in cobwebs to take a camera into

    https://www.youtube.com/watch?v=JZ1zfh_O9nA&t=978s

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  23. #32
    Quote Originally Posted by Feline View Post
    Well I run RO (usually), but I’m certainly not saying it’s for everybody.

    Its well worth watching some of Chips videos to get an idea of what the kit for recycling RO looks like etc. My filter house is too covered in cobwebs to take a camera into

    https://www.youtube.com/watch?v=JZ1zfh_O9nA&t=978s
    Lovely cheers il have a look at that on my break tomorrow Keeping ph stable


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