From Soap Calc.net(http://soapcalc.net/ ):
Making Cold Process (CP) soap.
Oils such as olive oil are placed into a stainless steel or enamel stockpot. A mixture of lye and water is added to the oils. The mixture is stirred until it thickens a bit. The mixture is poured into a mold. The mixture hardens overnight. It is then un-molded and cut into bars.
Soap-Making Chemical Reaction(Saponification): http://www.labmuffin.com/2014/08/make-your-own-soap-part-1-the-chemistry-behind-soap-making/#saponification   |
Also check on water quality in Aquaponics System, using a test strip. Water appears to be fairly alkaline, around pH 8.0, with a fair amount of nitrites:
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