Great white sharks. Trophic Pyramid Information that is in video: An ecological pyramid (also trophic pyramid, energy pyramid, or sometimes food pyramid) is a graphical representation designed to show the biomass or biomass productivity at each trophic level in a given ecosystem.
The risk is that you may not be able to remove all the acid and if it is left on the metal it will continue to corrode the metal. So to give you a quick answer, you can use vinegar to etch the aluminum, but you have to rinse the surface thoroughly to remove all the acid residue.
Reviewed 2014 by Deb Botzek-Linn, Extension Educator â Food Safety. Vinegar is the preservative and flavoring agent in most pickles. What kind you use depends on the color and flavor you want to have in the pickled product.Most pickle recipes call for distilled white vinegar.o not use wine vinegars or other flavored vinegars when you make pickles, unless you are sure of their acetic acid content. Do not use homemade vinegar when you make pickles because the acetic acid content is unknown and variable.