1. Advice to straighten vinyl tubing is to boil water and quickly submerge. Dry in the desired angle. Cure shorter pieces by submerging in cold water.
2. Do not use concentrated liquid dish or hand soap -- aka "Ultra" brand.
3. Would-a could-a shd-a larger aerator, (2) more valves and a variant bubbler to increase foaming efficiency. Had considered a lower and drop per awareness that foam lasts longer than anticipated thus not immediately required per use.
4. Hypothetically, water reduction could be obtained by foaming water in a toilet. Elon Musk, you can send a check or money order to...