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Originally Posted by hallenrm
Well there are indicators to tell you whether the substance you want to test for acidity or alkalinity. You can use turmeric, it turns pink with alkaline substances.
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That's fascinating Thanks
I know about hydrangea flowers going pink (Acid?) and Blue (Alkaline?) but don't know of other flowers. Do tell.
To get completely off the topic; apparently some plants have an affinity for metals like gold, silver, copper iron-ore in the soil. When you see these plants you call in the geologists -or not, if its gold. Don't know what the plants are though.)
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Originally Posted by hallenrm
The best of course is to use phenolpthalein or metyl orange soltion if you can get hold of them
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I use a soil test kit developed by the CSIRO that's why I know the Ph is nine.(One of the chemicals in it is a dark orengy red colour -liquid)
I think the person who started this thread can't test the soil first for some unknown reason.
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Michael