Pool Water Testing & Treatment in New Jersey
What We Test For
Our water testing covers every important chemical parameter:
- Free and total chlorine — the primary sanitizer that kills bacteria and algae
- pH — measures how acidic or basic your water is (target: 7.4–7.6)
- Total alkalinity — stabilizes pH and prevents rapid fluctuations
- Calcium hardness — protects your pool's surfaces and equipment from corrosion
- Stabilizer (cyanuric acid) — protects chlorine from breaking down in sunlight
- Salt levels — for saltwater pools
- Phosphates and metals — when water issues suggest a deeper problem
After testing, we adjust every parameter that’s out of range. We don’t just add chlorine and leave — we make sure the full chemistry picture is right.
Why Proper Water Chemistry Matters
Unbalanced water doesn’t just look bad — it causes real problems:
- Low chlorine lets bacteria, algae, and pathogens grow unchecked
- High or low pH irritates eyes and skin and makes chlorine less effective
- High calcium causes scaling on surfaces and equipment
- Low calcium causes water to leach minerals from pool surfaces — causing pitting and damage
- Imbalanced alkalinity causes pH to bounce around, making it hard to maintain any balance
NJ’s summer heat and humidity make water chemistry especially unpredictable. Heavy rain dilutes chemicals. Heat accelerates evaporation. High bather loads consume chlorine fast — which is why professional pool cleaning factors all of this into every treatment.
Professional Testing vs. Home Test Strips
Home test strips are fine for a quick check between professional visits, but they don’t tell the whole story. Strip tests typically only check chlorine and pH, miss subtle imbalances, and can be inaccurate if the strips are old or stored improperly.
Professional testing uses calibrated equipment and multi-parameter analysis that catches problems home kits miss — like high stabilizer levels that make chlorine ineffective, or phosphate buildup that feeds algae. That’s why many homeowners rely on a weekly maintenance plan to keep everything balanced and prevent recurring issues.
Why Gorlin Pools for Water Testing
Gorlin Pools has been serving New Jersey homeowners since 1999. That’s 25+ years of experience right here in Mercer, Middlesex, Monmouth, and Ocean Counties.
We’re fully licensed in New Jersey (License #13VH00046300) and proud members of the Better Business Bureau and the Chambers of Commerce in every county we serve. Our team holds itself to 9 non-negotiable standards — including honesty, safety, and long-term relationships — because we believe your pool deserves more than a quick fix.
When you call Gorlin, you get a pool service company that provides expert pool equipment service and puts your safety and satisfaction first, every single time.
Frequently Asked Questions
Ready to get started? Call us at (732) 323-8200 or fill out our online form to schedule your water testing and treatment. We serve homeowners across Ocean, Monmouth, Middlesex, and Mercer Counties, NJ.
What does a pool water test check?
We test free and total chlorine, pH, total alkalinity, calcium hardness, stabilizer, and salt (for saltwater pools). We also check for metals and phosphates when indicated.
How often should pool water be tested?
Weekly or bi-weekly professional testing is ideal for NJ pools. Between visits, home test strips can give you a quick read on chlorine and pH.
My water looks clear. Does it still need to be tested?
Yes. Many water chemistry issues aren’t visible until they become severe. Clear water can still have dangerous chlorine levels, high calcium, or low pH. Testing is the only way to know for sure.
What if my water chemistry is badly off?
We can correct most chemistry issues in one or two visits, depending on how far out of range things are. Some corrections — like reducing very high stabilizer — take longer. We’ll always be honest about the timeline.
Do you deliver chemicals?
Yes. We can bring chemicals needed for treatment as part of your service visit. Chemical costs are separate from service fees and will be communicated upfront.