Uploaded August 2026 | Updated September 2026, 2 weeks ago
Your pool water test strip might be telling the truth, but your eyes might not be. We dig into why test strips often feel inconsistent, how lighting and subjective color matching can turn a “real” chemical reaction into a shaky guess, and what you can do to get more reliable results without slowing down your whole pool care routine.
We also talk about the growing world of digital test strip readers and smart pool testing devices, and why they’re trying to solve the biggest weakness of strips: interpretation. From there, we get practical about where strips fit in a serious pool water testing workflow, especially for busy pool service routes and homeowners who need fast answers for free chlorine, total chlorine, pH, and total alkalinity.
Then we hit the important nuances that can change your decisions. Test strips typically read total hardness rather than true calcium hardness, which matters for balance targets. Cyanuric acid is the surprise category where strips can actually help, especially when CYA climbs above 100 ppm and reagent tests get harder to read. We also cover “extra” tests where strips can be genuinely useful, like copper and iron, nitrates, borates, and phosphates, plus the one strip category we don’t recommend for saltwater pools: salinity. If you want clearer pool chemistry decisions with fewer bad readings, subscribe, share the episode with a pool owner or tech, and leave a review with your biggest testing frustration.
We break down how to use pool test strips effectively without getting fooled by subjective color matching and wide reading ranges. We also share where test strips shine, where they fall short, and how to pair them with photometers or reagent kits for reliable pool water testing.
• the biggest limitation of test strips being interpretation not necessarily the strip chemistry
• why digital strip readers and smart testing devices can reduce guesswork
• how color matching can skew alkalinity and other borderline readings
• total hardness on strips versus true calcium hardness from titration tests
• why cyanuric acid strips can outperform reagent tests at high CYA
• using strips for copper iron nitrates borates and phosphates as quick field checks
• why salinity test strips are unreliable and when a digital salt meter makes sense
• when strips are ideal for fast route work and rainy-day testing
• using test strips to verify weird reagent or photometer results when reagents or tablets go bad
Are you a pool service pro looking to take your business to the next level? Join the pool guy coaching program. Get expert advice, business tips, exclusive content, and get direct support. From me, I'm a 35-year veteran in the industry. Whether you're starting out or scaling up, I've got the tools to help you succeed. Learn more at swimmingpoollearning.com.
Send us Fan Mail (buzzsprout.com/110832/fan_mail/new)
Support the Pool Guy Podcast Show Sponsors!
HASA REWARDS App
hasa.com/hasa-app
The Bottom Feeder. Save $100 with Code: DVB100
store.thebottomfeeder.com
Try Skimmer FREE for 30 days:
getskimmer.com/poolguy
Get UPA Liability Insurance $64 a month! https://forms.gle/F9YoTWNQ8WnvT4QBA
Support the show (buzzsprout.com/110832/support)
Thanks for listening, and I hope you find the Podcast helpful! For other free resources to further help you:
Visit my Website: swimmingpoollearning.com
Watch on YouTube: youtube.com/@SPL
Podcast Site: the-pool-guy-podcast-show.onpodium.com
UPA General Liability Insurance Application: https://forms.gle/F9YoTWNQ8WnvT4QBA
Pool Guy Coaching Group
Join an exclusive network of Pool Service Technicians to access the industry’s leading commercial general liability insurance program. Protect your business.
Premium is $64 per month per member (additional $40 for employees and ICs)
$59 per month for Pool Guy coaching Members - join here! patreon.com/poolguycoaching
Limits are $1,000,000 in occurrence and $2,000,000 in the aggregate - Per member limits
[ $1,000,000 per occurrence and $4,000,000 aggregate available for $75 per month ]
$50,000 in HazMat Coverage - clean up on-site or over-the-road
Acid Wash Coverage - Full Limits
Your pool water test strip might be telling the truth, but your eyes might not be. We dig into why test strips often feel inconsistent, how lighting and subjective color matching can turn a “real” chemical reaction into a shaky guess, and what you can do to get more reliable results without slowing down your whole pool care routine.
We also talk about the growing world of digital test strip readers and smart pool testing devices, and why they’re trying to solve the biggest weakness of strips: interpretation. From there, we get practical about where strips fit in a serious pool water testing workflow, especially for busy pool service routes and homeowners who need fast answers for free chlorine, total chlorine, pH, and total alkalinity.
Then we hit the important nuances that can change your decisions. Test strips typically read total hardness rather than true calcium hardness, which matters for balance targets. Cyanuric acid is the surprise category where strips can actually help, especially when CYA climbs above 100 ppm and reagent tests get harder to read. We also cover “extra” tests where strips can be genuinely useful, like copper and iron, nitrates, borates, and phosphates, plus the one strip category we don’t recommend for saltwater pools: salinity. If you want clearer pool chemistry decisions with fewer bad readings, subscribe, share the episode with a pool owner or tech, and leave a review with your biggest testing frustration.
We break down how to use pool test strips effectively without getting fooled by subjective color matching and wide reading ranges. We also share where test strips shine, where they fall short, and how to pair them with photometers or reagent kits for reliable pool water testing.
• the biggest limitation of test strips being interpretation not necessarily the strip chemistry
• why digital strip readers and smart testing devices can reduce guesswork
• how color matching can skew alkalinity and other borderline readings
• total hardness on strips versus true calcium hardness from titration tests
• why cyanuric acid strips can outperform reagent tests at high CYA
• using strips for copper iron nitrates borates and phosphates as quick field checks
• why salinity test strips are unreliable and when a digital salt meter makes sense
• when strips are ideal for fast route work and rainy-day testing
• using test strips to verify weird reagent or photometer results when reagents or tablets go bad
Are you a pool service pro looking to take your business to the next level? Join the pool guy coaching program. Get expert advice, business tips, exclusive content, and get direct support. From me, I'm a 35-year veteran in the industry. Whether you're starting out or scaling up, I've got the tools to help you succeed. Learn more at swimmingpoollearning.com.
Send us Fan Mail (buzzsprout.com/110832/fan_mail/new)
Support the Pool Guy Podcast Show Sponsors!
HASA REWARDS App
hasa.com/hasa-app
The Bottom Feeder. Save $100 with Code: DVB100
store.thebottomfeeder.com
Try Skimmer FREE for 30 days:
getskimmer.com/poolguy
Get UPA Liability Insurance $64 a month! https://forms.gle/F9YoTWNQ8WnvT4QBA
Support the show (buzzsprout.com/110832/support)
Thanks for listening, and I hope you find the Podcast helpful! For other free resources to further help you:
Visit my Website: swimmingpoollearning.com
Watch on YouTube: youtube.com/@SPL
Podcast Site: the-pool-guy-podcast-show.onpodium.com
UPA General Liability Insurance Application: https://forms.gle/F9YoTWNQ8WnvT4QBA
Pool Guy Coaching Group
Join an exclusive network of Pool Service Technicians to access the industry’s leading commercial general liability insurance program. Protect your business.
Premium is $64 per month per member (additional $40 for employees and ICs)
$59 per month for Pool Guy coaching Members - join here! patreon.com/poolguycoaching
Limits are $1,000,000 in occurrence and $2,000,000 in the aggregate - Per member limits
[ $1,000,000 per occurrence and $4,000,000 aggregate available for $75 per month ]
$50,000 in HazMat Coverage - clean up on-site or over-the-road
Acid Wash Coverage - Full Limits
