If you own a rental property, insurance on the rental is fully deductible as a business expense. Taking out liability insurance along with property insurance is a good idea, as it protects your assets if a tenant slips on a rickety step or says you evicted her illegally. You deduct rental expenses from rental income.
I added some pH minus, I think it's called muriatic acid, to lower my swimming pool pH level. I was wondering how long should I wait before I let my family go swimming after adding a pH minus or pool acid. Good question Larry. I would suggest a good 2 hour wait before you go swimming again.
In fact, if sensitivity is an issue, I would recommend doing a 'test spot' for a few minutes on a small area of the face. But typically it's recommended that you leave glycolic acid on for 15-30 minutes, max.. Dr. Tanzi also recommends keeping your eye out for ingredients like lactic and salicylic acid.