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Thread: Pond clays

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    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Pond clays

    Did any one start grinding cat litter for the pond clay .

    Running low and it maybe mind over matter or snake oil but I like using it .

    Tried a 3 different ones all completely different characteristics once in the water . The fastest to clear by far was the queni stuff but that dose come with the price tag to match

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    Senior Member Rank = Jussai g mac's Avatar
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    I've thought about doing the cat litter thing but went for the easy option in the end, big bucket of NT Labs Medi Clay.
    7500 litres
    Filtreau combi with uv.
    Some koi

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    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Quote Originally Posted by g mac View Post
    I've thought about doing the cat litter thing but went for the easy option in the end, big bucket of NT Labs Medi Clay.
    Just been looking at that mate what's your experience with it . Know sam has used it before and found the queni cleared loads quicker ?

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    Senior Member Rank = Jussai g mac's Avatar
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    Quote Originally Posted by Ajm View Post
    Just been looking at that mate what's your experience with it . Know sam has used it before and found the queni cleared loads quicker ?

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    I've been using it on a weekly basis for the past two years. I put about 2/3rds of the recommended dose in once a week. I usually add it in the afternoon and by the next morning clarity is all good again. I can't say for sure if the pond is better for it but I do plan to continue with it.
    7500 litres
    Filtreau combi with uv.
    Some koi

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    Senior Member Rank = Rokusai rolo's Avatar
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    i use pettex cat litter fish appetite perks up and if poured over blanket weed knocks it back. i use a coffee grinder to turn it to dust.

    keith

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    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Quote Originally Posted by rolo View Post
    i use pettex cat litter fish appetite perks up and if poured over blanket weed knocks it back. i use a coffee grinder to turn it to dust.

    keith
    Cheers keith 10kg for 8.99 on amazon that'll do nicely!!!!!

    Not sure what's happening with the price between 3 and 10kg tho !!????

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    Last edited by Ajm; 24-01-2023 at 01:37 AM.
    Freddyboy the legend

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    Senior Member Rank = Rokusai rolo's Avatar
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    hi
    i get it from jolleys pet store for £2:45 for 5 kilos its fullers earth clay. it goes along way when ground to dust i pour it over running water so it spreads. unless im knocking the blanket weed back then just pour a cup of it over blanket weed .

    keith

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    This sounds interesting what does it do and how much do you add to the pond?
    John

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    Quote Originally Posted by rolo View Post
    hi
    i get it from jolleys pet store for £2:45 for 5 kilos its fullers earth clay. it goes along way when ground to dust i pour it over running water so it spreads. unless im knocking the blanket weed back then just pour a cup of it over blanket weed .

    keith
    At the moment I put my clay in the out let of the nexus and let the pump do all the work can stand and watch the outlet cloud up lol

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    Senior Member Rank = Supreme Champion Ajm's Avatar
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    Quote Originally Posted by john1 View Post
    This sounds interesting what does it do and how much do you add to the pond?
    Manky did a good write up about clay on his site mate . But basically it's like you and me taking our multi vitamins on a morning . Helps skin ,bones , colour, appetite, health, immune system

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    Last edited by Ajm; 24-01-2023 at 09:44 AM.
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    Quote Originally Posted by rolo View Post
    hi
    i get it from jolleys pet store for £2:45 for 5 kilos its fullers earth clay. it goes along way when ground to dust i pour it over running water so it spreads. unless im knocking the blanket weed back then just pour a cup of it over blanket weed .

    keith
    Dose it grind it down very fine mate or still quite large partials

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    Freddyboy the legend

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    Senior Member Rank = Adult Champion Twhitenosugar's Avatar
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    I also grind up the fullers earth cat litter and add that to my grow on tank. It's definitely a much cheaper way of doing it than paying £40 odd quid for a tub of similar stuff from a koi shop.

    I only use a cheap electric coffee/spice grinder and that works well.

    You might get the odd tiny lump left in it, but it largely grounds it down to a fine dust and clouds the water up well.

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    13,000L fibreglassed raised pond with window

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  22. #13
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    Quote Originally Posted by Twhitenosugar View Post
    I also grind up the fullers earth cat litter and add that to my grow on tank. It's definitely a much cheaper way of doing it than paying £40 odd quid for a tub of similar stuff from a koi shop.

    I only use a cheap electric coffee/spice grinder and that works well.

    You might get the odd tiny lump left in it, but it largely grounds it down to a fine dust and clouds the water up well.

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    Cheers mate . Just being looking and 10kg of nt labs 90quid . And even at the dear end of the fullers at 8.99 for 10kg . 90% saving ain't bad is it . Especially giving the times we are in at the moment

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    I like a good saving
    How long will it take to clear the water?
    John

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    Quote Originally Posted by john1 View Post
    I like a good saving
    How long will it take to clear the water?
    This is some thing am working at at the moment. The queni stuff clears in 5 hours ish . Gmac has just said the nt clears over night. I mainly do mine later afternoon so it's done and clear again by morning. Guess it depends on filters ect . But dose help with fines aswell

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    Senior Member Rank = Grand Champion davethefish1's Avatar
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    I've never used a pond clay,
    always tried to take stuff out of the water with RO rather than add stuff to it.

    but i suppose the clay will remove contaminants from the water, similar to how RO water lowers them.
    either way i'd have to turn off recycle RO or risk blocking the membrane with tiny particles of clay....

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    Quote Originally Posted by davethefish1 View Post
    I've never used a pond clay,
    always tried to take stuff out of the water with RO rather than add stuff to it.

    but i suppose the clay will remove contaminants from the water, similar to how RO water lowers them.
    either way i'd have to turn off recycle RO or risk blocking the membrane with tiny particles of clay....
    Clay is ment to help remove heavy metals aswell I believe so like me any one not running not understanding the ro world its the next best thing . Still lots that believe its snake oil . And as always there is lots of people that have had a pond for 50 years and never done a filter clean let alone ro or clay lol haha

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    Think I will give this a go this year,so any cat litter with fullers earth?
    John

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    Quote Originally Posted by john1 View Post
    Think I will give this a go this year,so any cat litter with fullers earth?
    Guess as long as its full 100percent fullers clay it should be fine mate unscented.

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    i use pettex due to on the packaging stating pure fullers earth so no additives to bulk it out. also i believe fullers is a another name for bentonite.

    keith

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