this is a list of some chemicals i riped off an old science set thing;
Aluminum Ammonium Sulfate
Ammonium Chloride
Borax Powder
Biuret Reagent
Calcium Hydroxide
Calcium Nitrate
Citric Acid
Cobalt Chloride
Copper Sulfate
Fehlings's Solution
Ferrous Sulfate
Magnesium Sulfate
Methlyene Blue
Phenolphythalein
Potassium Iodide
Sodium Carbonate
Sodium Carbonate Powder
Sodium Silicate
Sodium Sulfate
Universal Indicator
Zinc Powder

are they use ful in any way?

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ok...if you say so
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most of its shit... Try posting this in the Backyard Balsiics forum and someone might know something..

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Do as I say, Not as I do.
Visit my BSS Deaths Kitchen www.fieldings43.freeserve.co.uk/DK.htm

I ain't no chemist or rocket scientist but I noticed you posted citric acid up there.
I sincerly hope you know what that one is.