Sulaiman
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Cheap OTC Calcium Chloride ... UK
Whilst browsing in Poundland today I found this
2x 75g of CaCl2 for £1, not as cheap as bulk but good for OTC
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MolecularWorld
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For those in the US and Canada: Dollar Tree Moisture Eliminators. 280g calcium chloride for $1.
Prestone Driveway Heat Ice Melt is also OTC calcium chloride, less hydrated, and cheaper per gram.
[Edited on 10-12-2015 by MolecularWorld]
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Detonationology
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Does both products come prilled? Seems like some it would be easy to slip on dry concrete with prills covering it.
[Edited on 12-10-2015 by Detonationology]
“There are no differences but differences of degree between different degrees of difference and no difference.” ― William James
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MolecularWorld
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The Moisture Eliminator contains fairly large crystals, possibly the dihydrate (they loose some mass and crumble on heating).
The Ice Melt is large, round prills, but (when used for the manufacturers intended purpose) they are easily crushed (eg; by walking on them) and
dissolve readily, and if the correct amount is used, there shouldn't be too many prills left once the ice has melted. The ice melt is not intended to
'dry' the driveway.
[Edited on 10-12-2015 by MolecularWorld]
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Detonationology
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Seems like some it would be easy to slip on dry concrete with prills covering it.
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By dry, I meant like putting it on the sidewalk before the snow, sleet or ice hits. Salt trucks around here put salt on the roads even if it is only
30% chance of snow, sleet or ice. The salt stays on the dry road until the next rain.
“There are no differences but differences of degree between different degrees of difference and no difference.” ― William James
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annaandherdad
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I've been buying CaCl2 in 5kg amounts in the US. It takes some trouble to find anhydrous CaCl2, many of the sellers don't say if it's anhydrous or
not. I imagine that for road and sidewalk salting it doesn't have to be anhydrous.
Any other SF Bay chemists?
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