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Best Tools for Pool Water Accuracy

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Many pros want a single device that nails speed, accuracy, and price for pool water testing. The truth is less tidy: no one tester dominates every job. The Lamotte SpinTouch, photometers like PoolLab 2.0 and ColorQ, Taylor reagent kits, and test strips all have places where they shine and places where they fall short. The best results come from matching the tool to the task. When we stop hunting for perfection and build a flexible toolkit instead, our readings get more reliable, our routes run smoother, and our customers gain trust in what we present to them. Consider the SpinTouch as a specialized instrument rather than a daily driver. Its core appeal is speed and breadth: up to ten factors in about a minute, with optional discs for borates, phosphates, and salinity. Borrowed from medical diagnostics, the spinning disc and onboard optics deliver precise digital numbers with very little guesswork. The downside hits your wallet. The unit exceeds a thousand dollars and each disc is singl...
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The Next Level of Clean — Now Even Bigger for Pool Pros

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The Next Level of Clean — Now Even Bigger for Pool Pros For pool professionals, there’s a difference between simply picking up debris and delivering a pool that looks truly finished. The Bottom Feeder and Shrimp vacuum systems are already legendary for handling heavy debris like leaves, acorns, and large material with ease. But what about fine silt, dust, pollen, or dead algae? These particles often escape standard mesh bags, leaving a haze behind even after a thorough vacuum. We listened to that feedback — and built a better solution. Introducing the Cartridge Filter Assembly Extension Kit Double the Filtration for Very Dirty Pools For pools with heavy dirt loads, the Cartridge Filter Assembly Extension Kit is the upgrade you’ve been waiting for. Here’s what it includes: Cartridge connector insert Two extended support rods An additional 50 sq ft cartridge filter When installed, the Extension Kit allows you to stack two 50 sq ft cartridges , creating a total of 100 sq ft of filtration...
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The Truth About Liquid Pool Chlorine

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Liquid chlorine, also known as sodium hypochlorite, is one of the most dependable sanitizers for both service pros and homeowners because it delivers fast, predictable results without loading the water with stabilizer or calcium. The key is understanding its nature as an unstabilized chlorine and planning around sunlight and time. Commercial-grade liquid chlorine typically runs at 10 to 12.5 percent, far stronger than household bleach at 5 to 8.25 percent. This strength means a single gallon can raise free chlorine quickly for shock or routine boosts, with minimal side effects beyond a brief pH rise and a small sodium addition that has little practical impact on water balance. When you want a swift response—killing algae, breaking combined chlorine, or clearing a murky pool—few products match fresh liquid chlorine. The catch is that unstabilized chlorine does not linger. Sunlight strips it away unless the water has adequate cyanuric acid, generally between 30 and 80 ppm depending on cl...
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Myth vs. Reality: Pool Chemicals Edition

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Pool care runs on chemistry, yet many of the loudest rules come from habit, not science. This episode takes aim at three big beliefs: the acid “column” or “slug” method, the idea that liquid chlorine always raises pH, and the notion of “chlorine lock.” Each claim contains a grain of logic, which is why they persist, but the full picture clarifies what really happens in water. We also address swimmer safety after dosing—how soon you can get back in after adding chlorine or muriatic acid—and why circulation and cyanuric acid levels matter more than a blanket 24-hour rule. If you maintain pools for clients, this knowledge trims costs, protects surfaces, and keeps water safer and clearer. Let’s start with the acid column myth. The story says that pouring all your muriatic acid in one deep-end spot drops total alkalinity without much effect on pH, while walking it around drops pH more. It sounds plausible if you imagine acid “sinking,” but that mental picture fails at the molecular level. M...
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Zero Chlorine? Here’s What’s Really Happening

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 When a pool refuses to hold chlorine, the knee-jerk reaction is to add more. But most vanishing-chlorine stories start with movement, not chemistry. Poor filtration lets debris and organics linger, and weak circulation fails to spread sanitizer where it’s needed. Torn DE grids, an overused single cartridge, or starved pump runtime can turn a stable pool into a chlorine sink. Restore flow and run time first: clean or replace media, recharge DE, and aim for strong turnover with enough daily hours, especially in warm months. Once water is moving and clean, every other fix works faster and lasts longer. Water quality sets the chlorine demand. Cloudy or green pools carry a massive organic load that “uses up” sanitizer. That’s why a heavy shock in a swampy pool can vanish to near zero by morning even after adding gallons of liquid and bags of cal hypo. The water looks milky blue because the chlorine did its job killing algae and oxidizing waste, but the residual disappears under the loa...
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No Chlorine From Your Salt System? Here’s Why

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Saltwater pools promise steady chlorine with less hassle, yet many owners wake up to zero readings and a confused control panel. The real problem rarely comes from a single fault; it’s a system of limits tied to water chemistry, temperature, flow, and equipment age. Start at the cell: scale on the plates acts like insulation that blocks current and slashes production. Even when your controller doesn’t flash a “clean cell” alert, thin calcium film can cripple output. A gentle acid bath using the ratio in your owner’s manual removes scale without stripping plate material. Over‑acid washing shortens cell life, so avoid strong mixes and long soaks. Make a habit of visual checks, especially with clear‑lid models, and plan light cleanings before peak season. Next, verify the salt level with a trusted tool rather than the panel alone. Controllers can drift or lie when a cell ages, showing false low or high readings that lock out generation. A handheld digital salinity meter pays for itself by...
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Algae Eating Your Profits? Fix It Fast

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Algae is not just a cosmetic problem for pool pros; it is a profit leak that drains time, trust, and chemical budgets. When a route hits peak season, even two algae-hit pools can add 20 to 30 minutes to a day, pushing back schedules and increasing frustration. That time compounds across a week, turning into real revenue loss, and it often cannot be billed if the cause is unclear to the homeowner. Worse, recurring algae erodes customer confidence. People pay for blue, swim-ready water, and when they see mustard streaks on steps or stubborn patches in corners, they question the service, not the many variables behind the scenes. Keeping that trust demands a plan that reduces blooms before they start. A key pillar is understanding why algae appears even when free chlorine tests “good.” The relationship between cyanuric acid and free chlorine sets the actual floor for sanitizer strength. Using Bob Lowry’s guideline, maintain free chlorine at a minimum of 7.5% of CYA. At 80 ppm CYA, that mea...
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