Friday afternoon. You walk out back to fire up the grill, glance at the pool, and the water has that faint green tint that wasn’t there Tuesday. Cue the spiral. Was it the heat wave? The kids’ pool party? Did the last storm dump too much pollen? You scoop out three leaves, shrug, and hope it sorts itself out by morning.
It won’t. Not really.
Pool maintenance is one of those backyard chores that people either obsess over or completely ignore, and both extremes cost money. Over-treating burns through chemicals. Under-treating burns through equipment. Around here in Central Texas, where pollen counts spike, summer rain dumps an inch in twenty minutes, and the sun does its best to bleach everything by August, the middle path takes a little planning.
This is the unglamorous, no-fluff version of how to actually keep an Austin pool healthy: what to do, how often, and the stuff most homeowners get wrong.
What pool maintenance really is (and what it isn’t)
Strip away the brand names and the gadgets and pool maintenance comes down to four things: water chemistry, filtration, surface cleaning, and equipment health. That’s it. Everything else (the floats, the tablets, the algaecide bottles lined up in the garage) is just a tool serving one of those four jobs.
People sometimes confuse maintenance with repair. They’re not the same. Pool repair services come in when a pump grinds to a halt or a heater stops firing. Maintenance is what keeps you from needing those calls in the first place. Done right, it’s mostly invisible. Done wrong, you find out in the form of a thousand-dollar replacement.
Here’s the part nobody wants to hear: most pool problems aren’t dramatic. They’re slow drift. pH creeps a tenth of a point a week, calcium hardness creeps the other direction, the filter pressure climbs two PSI nobody noticed, and then one Saturday the water looks “off.” That’s six weeks of small misses showing up in one moment.
The Austin-specific stuff (because climate matters)
Maintenance routines you’ll find in pool magazines were usually written for somewhere else. The Northeast. Florida. Generic suburbia. Central Texas has its own quirks, and ignoring them is how you end up with weird recurring algae or a heater that lasts five years instead of fifteen.
A short list of what actually matters here:
- Cedar pollen season (roughly January and February). That fine yellow dust gets everywhere. It loads up your skimmer baskets fast and feeds algae once it sinks. During pollen weeks, skim daily, and check the cartridge filter twice as often as usual.
- Late-spring storms. A two-inch downpour can dilute your chlorine residual to almost nothing within a couple of hours. After every big rain, test before you swim. Not a day later. Same evening if you can.
- Summer evaporation. A pool in Austin can lose half an inch a day from June through August. That’s not a leak; that’s just physics. Top off weekly and re-check the chemistry, because adding water shifts everything.
- The hard water issue. Most Central Texas tap water runs high in calcium. If you’re not watching, scale builds up on tile and inside the heater. A simple monthly calcium hardness test catches this early.
Whoever tells you that pool maintenance is the same job year-round, in any climate, is selling something.
Weekly chemistry: the four numbers that matter
You don’t need a chemistry degree. You need a test kit (drops or strips, drops are more accurate) and ten minutes a week. Track these:
- Free chlorine. Aim for 1 to 3 parts per million. Below 1, algae starts thinking about it. Above 5, your eyes burn and your swimsuit fades.
- pH. Keep it between 7.4 and 7.6. This is the one that drifts the most. If pH drifts high, chlorine becomes lazy and stops killing things efficiently. Drift low, and your liner, grout, and skin all suffer.
- Total alkalinity. 80 to 120 ppm is the sweet spot. Think of alkalinity as the buffer that keeps pH from swinging wildly.
- Calcium hardness. 200 to 400 ppm. Already mentioned why this matters in Austin. Don’t skip it.
I’d add cyanuric acid (the chlorine stabilizer) as a fifth, but you only need to check that monthly.
A confession from somebody who’s seen way too many test results: people add chemicals reflexively, before testing. They see green and dump shock. They see cloudy water and add clarifier. Both responses might be exactly wrong. Test first. Always.
What about salt water pools?
A salt water system doesn’t mean a salt-free maintenance routine. It means your pool generates its own chlorine instead of you adding tablets. The same four numbers above still need watching. The cell that makes the chlorine needs cleaning a couple of times a year (vinegar bath, mostly). Salt level itself only needs checking monthly.
Salt pools are gentler on skin and easier on chemistry mistakes, but easier doesn’t mean self-cleaning. The biggest myth in the pool industry might be the one that suggests salt water pools take care of themselves.
Filtration: the part people forget exists
Your filter is doing more work than you realize. It’s running for hours every day pulling debris out of water you can barely see clouding. There are three main types around Austin:
- Cartridge filters. Clean by hosing them off; replace every two to three years. Easy, low-water-use, popular in newer builds.
- Sand filters. Backwash every couple of weeks, change the sand every five to seven years. Workhorses.
- DE (diatomaceous earth) filters. The most thorough, also the most fiddly. Backwash and recharge with fresh DE.
Whichever you have, watch the pressure gauge. When it climbs roughly 8 to 10 PSI above the clean baseline, it’s time to clean or backwash. That gauge is the cheapest diagnostic tool you own. Pay attention to it.
How Longhorn Pools handles this for our clients
Some homeowners genuinely enjoy the weekly routine. They like the ten minutes with the test kit, the satisfying click of the skimmer basket, the small ritual of it. Other folks would rather hand the whole job to somebody else and use the time for, well, anything else.
We do both ends. For our maintenance clients, we run the standard route: test chemistry, brush walls, vacuum, empty baskets, check equipment, and adjust as needed. The unfamous part of that work is the equipment check. Catching a pool pump that’s running hot, or a slightly leaky valve, before it becomes a $1,500 emergency, that’s the actual value.
For homeowners who want to handle their own pool but want a sanity check, we offer one-time consults. A walk-through with our service team, a chemistry baseline, and a maintenance plan customized to your specific pool, equipment, and how often you actually swim. Some weeks people swim every day. Other weeks they’re traveling. The plan should reflect that.
(Side note. If you’re new to pool ownership, our residential pool team tends to recommend a basic onboarding service in your first season. Even confident DIYers learn things they didn’t know about their specific pool. If you’re still in the build-or-renovate phase, our piece on planning an inground pool installation in Austin walks through what to expect.)
A short example, because abstract maintenance advice is useless
A homeowner near Westlake called us last summer. Pool was three years old, nothing fancy, gunite with a salt system. Water had turned a faint cloudy blue, then a faint cloudy green-blue, then a bright green over about two weeks. They’d shocked it twice, run the pump constantly, added algaecide. Nothing.
We tested. Chlorine was zero. Salt cell had stopped producing weeks earlier (calcium scale on the plates), but the homeowner hadn’t noticed because the cell was inside the equipment shed and they never opened it. The water turned green because no chlorine was being made, period. Algaecide and shock were band-aids on a generation problem.
Cleaned the cell. Reset the chemistry. Pool was clear in 48 hours. The fix cost less than the chemicals they’d already wasted trying to muscle through it.
(That’s an illustrative example based on a common pattern, not a specific named customer.)
The lesson, anyway: the loudest symptom is rarely the actual problem. Maintenance is investigation as much as it is chemistry.
Common mistakes (saving you the embarrassment of making them yourself)
Quick rapid-fire list:
- Shocking in the middle of the day. The sun burns off chlorine before it can work. Shock at dusk.
- Ignoring the skimmer basket “until later.” Later is when the pump starts cavitating.
- Buying tablets in bulk because they’re on sale. They’ve got an expiration window. Stale tablets are weaker.
- Running the pump only at night to “save money.” Most newer variable-speed pumps want longer runtime at lower speeds. Check your specific model.
- Brushing the walls only when you can see algae. By then, you’re already losing the fight. Weekly brushing prevents what you can’t see.
When it’s time to bring in help
If you’re testing weekly, brushing weekly, watching your filter pressure, and the pool still gives you trouble, something deeper is off. That might be plumbing. It might be equipment that’s quietly aging out. It might be a circulation dead spot in the pool itself. These aren’t homeowner-fixable in most cases.
That’s where calling someone matters. A good service company doesn’t just hand you a chemistry report. They look at the whole system: pump, filter, heater, automation, plumbing, surface, sun exposure. Your pool is a small ecosystem, and it deserves to be treated as one.
Longhorn Pools has been keeping Central Texas pools healthy for years. Whether you want a regular maintenance plan, a one-time tune-up, or just an honest second opinion on what’s going on with your water, reach out for a quote and we’ll come take a look. No pressure, no upsell, just a real assessment.
Your pool should be the easy part of summer. It can be.