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Dean Glover
Joined:
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15-Dec-2008
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Started On : 12-Mar-2010 at 04:54:52 AM, #Views : 5774
Topic Subject : Re: Baby castings!! |
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Hi Mikaela
For baby hands I use plastic pots that are quite a big bigger than the hand - I just measured it at 12cm diameter and 12cm deep (although I have got away with ising smaller pots for very small baby's e.g. 3 weeks old). The extra space helps avoid the hand touching the sides although you do still have to hold the babys arm quite firmly (I always explain to the parents that I need to hold the baby but never hard enough to hurt them). I have a couple of pots that are clear plastic which helps further as you can easily see if any part of the hand is touching the sides.
I have never got on with the bag method and much prefer using a pot.
I can't comment on the type of alginate you use other than to say try doing lots of experiments. I spent a while trying different ratios of water:alginate recording all the results on paper until I found a mix I was happy with. I then experimented with that mix and differing water temperatures until I got used to the different setting times. I did it by feel but you could use a thermometer if you wanted to be really accurate.
Don't forget that the hardeness of water and any impurities it contains can affect setting times - if I remember correctly, Dave talks about this in one of his articles in the ALI library section.
Kind regards
Dean
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