Alum

Discussion in 'Taxidermy' started by Shearer, Sep 17, 2017.

  1. Shearer

    Shearer Well-Known Member

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    Anyone know where I can get Alum for curing skins (Aluminium potassium sulphate)? or have any other recipes for curing?
     
  2. P38

    P38 Well-Known Member

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    Try Farmlands

    Cheers
    Pete
     
  3. Cigar

    Cigar Well-Known Member

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    I had a recipe years back. It used alum or Chrome alum, the chrome alum meant the finished skins were machine washable. A deer skin I tanned in 1992 is still looking good (except where the Jack Russell had a chew...).
    I bought the chrome alum from the chemist, it came in 500g tubs. The recipe included flour and olive oil, and I think salt. The flour was to turn it into a paste, oil would have been as an emulsifier.
     
  4. tonyd

    tonyd Member

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    i need some chrome alum, i have had great results with it in the past but now i cant seem to track any down.
     
  5. Marty Henry

    Marty Henry Well-Known Member

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    Pool floc is potassium aluminum sulphate ( alum)
     
  6. Shearer

    Shearer Well-Known Member

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    [MENTION=4334]Marty Henry[/MENTION]. Is that a particular brand you are talking about? From what I have seen Floc is just Aluminium sulphate, not Alum (no potassium or ammonia).
    I think I will give it a try though as it is cheap.:)
     
  7. Chicken

    Chicken Well-Known Member

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    I just ask the local chemist to order some for me. Easy
     
  8. Shearer

    Shearer Well-Known Member

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    Ok. I asked at two chemists (pharmacies) and they weren't at all helpful.
    How much did you pay for it [MENTION=322]Chicken[/MENTION]?
     
  9. SiB

    SiB Well-Known Member

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  10. Shearer

    Shearer Well-Known Member

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    Thanks [MENTION=1268]SiB[/MENTION]. Contacted a number of those suppliers are have had some success, albeit not cheap.
     
  11. Chicken

    Chicken Well-Known Member

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    Not sure what it cost now was a few years ago. I'll try and find the bottle tomorrow, see if there's a price on it. Pretty sure I used kero and baking soda with it, did a hare skin and a slinky. Was heaps left over I think. Actually did one skin, scraped the brew off, soften with more kero and did the next one.
     
  12. ROKTOY

    ROKTOY Well-Known Member

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  13. Shearer

    Shearer Well-Known Member

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  14. Marty Henry

    Marty Henry Well-Known Member

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    Bit late as others have answered but post brands I have seen or used are pot alum. Aluminum sulphate would also work, its more acidic and will coagulate the proteins in the hide pretty well, but as with alum the final cured hide is not waterproof.
     
  15. P38

    P38 Well-Known Member

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    [MENTION=3066]Shearer[/MENTION]

    Try an industrial chemist, not the local snake oil salesmen

    https://www.clarkproducts.co.nz/

    Cheers
    Pete
     
  16. Shearer

    Shearer Well-Known Member

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    Thanks Pete. I had them on my list to contact. So far ECP Labchem have been the easiest to deal with.
     
  17. Shearer

    Shearer Well-Known Member

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    Thanks [MENTION=4334]Marty Henry[/MENTION], that is what I needed to know. I can get Floc (aluminium sulphate) from Bunnings for under $10/kg compared to $50/kg for Aulm and I don't plan on getting the skin wet.
    Thanks everyone for the help.
     

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