Yes, you can put too much shock in a pool, and it is crucial to follow the directions on the product you are using. Adding excess shock can upset the chemical balance, make the water cloudy, have adverse effects on swimmers, damage pool equipment or surfaces, and even encourage certain types of algae to grow. If you have over-shocked your pool, perform a water test and adjust the chemicals as necessary. The pool's chemical balance will eventually return to normal as the excess chlorine dissipates over time.

Unless you have an alternative to chlorine in your pool to prevent bacteria and viruses from taking up residence in your water, it’s not safe to swim in a pool without enough chlorine. According to the Centers for Disease Control and Prevention (CDC), swimming in a pool with insufficient chlorine could lead to skin and eye irritation, ear issues, respiratory distress, such as coughing and congestion, and various other health issues. Always make sure your chlorine levels are healthy and stable before swimming for proper pool safety.

Yes, adding a pool to your property will almost always increase your homeowners insurance premiums. This is because pools are considered hazardous, which increases your home's liability risk. The replacement cost of the pool itself is also factored into your home's rebuilding cost when determining coverage limits. The amount of the increase can vary from as little as $50 to several hundred dollars more per year, depending on your insurance company, location, current coverage, and installed safety features. It is best to contact your insurance agent before installing a pool to get an estimate, understand their specific guidelines, and factor the ongoing cost into your budget.

Off-season pool-building prices often align with the time of year you're least likely to use a pool. Many contractors offer deals in the late fall and winter to bolster the slow time of year. However, if you live in an area with freezing winters, you'll need to wait beyond the final frost and threats of extreme weather.