How do I hire a pool water testing professional?
Taking these steps can help you find the right professional to test your pool water:
Verify their credentials and insurance: Look for a Certified Pool Operator (CPO) certification. They should also have general liability insurance.
Get several estimates: A proper estimate should clearly list the cost per visit, which water tests are included (like pH, chlorine, and alkalinity), and how the cost of balancing chemicals is handled.
Read their reviews: Good reviews often mention punctuality, clear communication about the pool’s chemical levels, and a pro’s ability to quickly fix issues like cloudy water. Red flags include complaints about recurring problems or unexpected fees.
Look at their portfolios: While testing is a service, a pro’s portfolio should show photos of the clean, sparkling pools they maintain. This gives you a good idea of the results they deliver.
Find out if they have warranties: Pros may not offer a formal warranty on testing, but they might provide a service guarantee. This could mean they’ll re-test for free if the water isn’t balanced after their visit.
Ask important questions: Before hiring, ask: What specific tests are included in your service? How do you report the results? Are the costs of necessary chemicals included in your fee?
What factors affect the cost of pool water testing?
The cost of tesing your pool water may change based on a range of factors, including:
Pool size and type: Larger pools often need more time and chemicals to treat, which can affect the price. Saltwater pools may also have different testing requirements than traditional chlorine systems.
Service frequency: A one-time test will have a different price than a recurring weekly or monthly maintenance plan. A contract might reduce the cost per visit.
Scope of the job: The price can change depending on what’s included. A simple water test will cost less than a full-service package that includes balancing chemicals, cleaning filters, and skimming debris.
Pool condition: If your pool is especially cloudy, green, or has an algae bloom, it will likely require more intensive labor and chemicals to restore, which can increase the cost.
Your location: The pro’s travel time to your home and regional labor rates can influence the final price you pay.
How do pros test pool water?
Pros test pool water using accurate tools to keep chemistry balanced and equipment protected. Typical methods include:
Test strips: Quick checks for chlorine, pH, alkalinity, and stabilizer levels.
Liquid test kits: Drop-based kits that provide more precise readings than strips.
Digital testers: Electronic meters for pH, salinity, or total dissolved solids.
Water sampling: Collecting water from elbow depth, away from returns, for accurate results.
Full analysis: Testing chlorine/bromine, pH, total alkalinity, calcium hardness, and cyanuric acid.
Regular testing — often weekly — can help prevent algae, scaling, and equipment damage.
What chemicals do you need to clean a pool?
The main categories of pool chemicals include sanitizers, oxidizers, water balancers, and specialty chemicals. Sanitizers (like chlorine and bromine) disinfect pool water. Oxidizers are a second type of sanitizing chemical meant to kill bacteria and algae. Water balancers keep the pH (acidity) level of the water in the correct place, as well as maintain the proper “hardness” — that is, levels of calcium and other elements. Other specialty chemicals include clarifiers, flocculant, algaecides and more.
If you don’t know how to properly use pool cleaning chemicals, consider hiring a professional pool cleaner to help you maintain your pool.
For more helpful tips, read our easy pool maintenance guide.
What is the best way to clean your pool?
The best way to clean your pool is to hire a professional for regular service. Oftentimes, signing up for regular, ongoing services will drop the per-visit cost significantly.
Basic pool cleaning services will include skimming off debris, leaves and other materials that have made it into the pool. It will also likely include cleaning the pool’s walls, vacuuming debris from the bottom and making sure the pump and filter are in good shape. A pool cleaner can also test the water and add chemicals as needed.
For more helpful tips, read our easy pool maintenance guide.
How do I know if my pool water needs testing?
It's probably time to hire a pro to test your pool water if you notice:
Cloudy water that won’t clear up, even after you’ve run the filter and tried using a clarifier.
Stubborn algae growth, especially if it keeps returning after you’ve treated it.
Skin or eye irritation after swimming, which often points to an incorrect pH or sanitizer level.
A strong chemical odor, which can mean the water isn’t properly sanitized and has a buildup of chloramines.
Difficulty balancing the chemicals yourself, so your home test kit readings keep fluctuating.
What happens if you don't test your pool water?
If you don’t test your pool water regularly, chemical imbalances can quickly cause problems. For example:
Algae growth: Low sanitizer levels allow algae to spread, turning water green and slippery.
Cloudy water: Poor balance reduces clarity and makes the pool look dirty.
Skin and eye irritation: Incorrect pH or chlorine levels can cause discomfort.
Scale or corrosion: Imbalanced water can damage tile, plaster, liners, and equipment.
Costly repairs: Untreated issues may lead to pump, heater, or surface damage.
Regular testing helps keep water safe, clear, and protects your investment.
Should I hire a pro or test my pool water myself?
Whether you should DIY or hire a pro depends on your comfort level and how complex your pool system is.
DIY can work for: Routine weekly checks using test strips or liquid kits to monitor chlorine and pH.
Hire a pro for: Complex saltwater systems, or help when you're dealing with problems like recurring algae or cloudy water. Pros tyically use professional-grade kits and experience to help diagnose imbalances.
Many homeowners test weekly themselves and call a pro when problems arise.