A clean pool is just a good routine plus balanced water.

Get the right tools, keep the water circulating and moving, and hold five numbers in range — and your pool stays clear, safe and gentle on your equipment. This guide walks through the kit you need, the weekly rhythm, the chemistry, the mistakes to avoid, and what changes with the Florida seasons.

Skim daily Brush, vac & test weekly Pump 8–12 hrs
Start here · The kit

Equipment you'll actually use

You don't need much to start. A pole with three attachments handles almost everything; the rest makes life easier. Rinse every tool with fresh water and store it in the shade — Florida sun and chlorine chew through plastic.

Telescopic pole

The backbone. Everything else screws onto it.

$20–50 · get aluminium

Skimmer net

A flat net for the surface, a deep "bag" net for sunken debris.

$10–25 · both are handy

Pool brush

Nylon bristles for vinyl & fibreglass; steel only on bare plaster.

$10–25

Vacuum head + hose

Connects to the pole and skimmer to clean the floor.

$30–80 · or go robotic

Test kit

A liquid kit (Taylor K-2006) beats strips for accuracy.

Test weekly

Robotic cleaner

Optional, but pays for itself in time on bigger or shaded pools.

Nice to have
How a pool cleans itself

Circulation is everything

Stagnant water is where algae wins. Your pump pulls water through the skimmer, pushes it through the filter, and returns it clean. Keep this loop moving 8–12 hours a day and half your problems never start. Point the return jets down and away from the skimmer so the whole pool turns over.

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The Five Numbers

Your target ranges

These are the standard ranges for a residential chlorine pool. Test with a good kit (a Taylor K-2006 is the gold standard) rather than guessing.

Sanitiser

Free Chlorine

1–3 ppm
Kills bacteria and algae. Below 1 ppm, act fast.
Balance

pH

7.4–7.6
Comfort + chlorine strength. Above 7.8, chlorine goes lazy.
Balance

Total Alkalinity

80–120 ppm
The buffer that keeps pH from swinging around.
Balance

Calcium Hardness

200–400 ppm
Too low erodes plaster; too high builds scale.
Stabiliser

Cyanuric Acid

30–50 ppm
Shields chlorine from the sun. Too much locks it up.
Adjust in this order

Why order matters

Chemicals lean on each other. Fix them out of order and you'll chase your tail — adjusting pH before alkalinity, for example, just means the pH drifts straight back.

1

Total Alkalinity

It's the foundation. If alkalinity is wrong, pH won't hold still no matter how much you adjust it.

2

pH

With alkalinity stable, pH now stays where you put it. Aim for 7.4–7.6.

3

Calcium Hardness

Slow to change, so there's no rush. Set it once pH is settled.

4

Cyanuric Acid

Add stabiliser only if it's low. It dissolves slowly — use a sock in the skimmer, never dump it in.

5

Chlorine

Adjust last. With everything else in range, chlorine finally works at full strength.

Keep it flowing

Caring for your filter

The filter is the pool's liver — when it clogs, water goes cloudy even if the chemistry is perfect. Which type you have decides how you clean it, but they all share one tell: the pressure gauge.

Cartridge

Most common on new pools
CleaningRinse the pleats with a hose
How oftenEvery 1–3 months
Backwash?No — you can't
ReplaceCartridges every few years

Sand

Simplest & cheapest
CleaningBackwash to flush it out
How oftenEvery 2–4 weeks
Backwash?Yes
ReplaceSand every 3–5 years

D.E.

Finest filtration
CleaningBackwash, then add fresh DE
How oftenMonthly-ish
Backwash?Yes — re-charge after
ReplaceDeep-clean grids yearly
+8–10 PSI

Let the pressure gauge tell you when. Whatever the calendar says, clean or backwash once the gauge climbs 8–10 PSI above its clean baseline. Note the clean reading when the filter is fresh so you know your number. Empty the skimmer and pump baskets weekly, too — clogged baskets choke flow before water even reaches the filter.

The rhythm

How often to do what

A pool rewards small, regular habits over big rescue missions. Here's the baseline routine for a Florida pool in normal use — you'll do more in summer, less in winter.

Task
Frequency

Skim the surface

Net off leaves & bugs before they sink

Daily

Empty skimmer & pump baskets

Keeps water flowing freely

Daily–weekly

Test chlorine & pH

The two that move fastest — test far more often while correcting

Weekly

Brush walls, steps & corners

Stops algae getting a foothold

Weekly

Vacuum the floor

Manual or let a robot do it

Weekly

Full test (TA, calcium, CYA)

The slower-moving numbers

Weekly

Check & clean the filter

Or sooner if PSI climbs 8–10

Monthly

Shock the pool

After parties, storms or heavy use

As needed

Drain & refill part of the water

Florida evaporation concentrates minerals & CYA

~Yearly
1× / week

Weekly is the baseline — not a limit. A settled pool in normal use only needs testing once a week. But the moment you're actively moving a number — correcting balance, clearing algae, after a storm or a heavy weekend, or while a new salt system beds in — test every day or two. Once the readings hold steady two tests in a row, drop back to weekly.

Safety first

Chemicals to never mix

These reactions happen when chemicals meet concentrated — in a bucket, a shared scoop, a storage shelf, or a skimmer with tablets in it. A full pool is thousands of gallons of dilution, so the danger is almost always outside the water.

☠️
Chlorine + Muriatic Acid
Creates toxic chlorine gas — the same gas used in WWI. Never add both at once. Add acid, run the pump for 4 hours, then add chlorine.
🔥
Trichlor tablets + Cal-Hypo shock
Mixing organic and inorganic chlorine can cause a fire or explosion. Never put shock in a tablet feeder, and store them apart.
💧
Any chemical + Water (wrong way round)
Always add chemical to water, never water to chemical. Reversing it can trigger a violent reaction and splash-back.
⚠️
Algaecide + Shock
Not explosive, but they cancel each other out and can foam. Shock first, wait, then add algaecide once chlorine has dropped.
4h

The golden rule: one container open at a time, added separately to different areas of the pool with the pump running — and when in doubt, wait about 4 hours between applications. Never pre-mix concentrates in a bucket.

Don't make it worse

The traps owners fall into

Every one of these is a case of treating the symptom instead of the cause. The left side is the instinct; the right side is what actually works.

✕ The instinct

Chlorine reads fine but algae keeps coming, so you add more chlorine.

Nothing happens. You burn through product and money.

✓ What works

Check cyanuric acid first.

Above ~80 ppm, CYA "locks" chlorine so it can't sanitise even when the test looks normal. The only real fix is to drain and dilute — no chemical removes CYA.

✕ The instinct

pH keeps creeping up, so you keep adding acid.

It climbs right back a day later, over and over.

✓ What works

Fix alkalinity, and check for aeration.

High alkalinity drives pH back up after every dose. Waterfalls, jets and returns aimed above the surface also push pH up. Sort those first.

✕ The instinct

Water's cloudy, so you shock it again and again.

Still hazy, and now chlorine is sky-high.

✓ What works

Check the filter and balance first.

A dirty filter, high pH or high calcium cause haze. Never shock while pH or alkalinity are out of range — you'll cloud it further or scale the surfaces.

Know your bottles

What each chemical actually does

A quick plain-English reference for the products on the shelf, grouped by the job they do.

Liquid Chlorine

Sanitiser

Unstabilised — kills germs and algae, adds no CYA. Great for topping up or shocking.

Trichlor Tablets

Sanitiser

Slow-dissolving and stabilised. Convenient, but adds CYA every time — watch it climb.

Cal-Hypo Shock

Sanitiser

Powerful unstabilised shock. Adds calcium. Never mix with tablets or store near them.

Muriatic Acid

Balancer

Lowers pH and alkalinity. Handle with gloves and goggles; never near fresh chlorine.

Soda Ash

Balancer

Sodium carbonate — raises pH. A little goes a long way (6 oz per 10,000 gal ≈ +0.2 pH).

Baking Soda

Balancer

Sodium bicarbonate — raises alkalinity with only a gentle nudge to pH.

Cyanuric Acid

Stabiliser

Protects chlorine from UV. Essential outdoors — but only reducible by draining water.

Calcium Chloride

Balancer

Raises calcium hardness to protect plaster. Reduce excess only by dilution.

☀️ Local knowledge · Brevard County

The Florida year

Florida pools never really close — the water keeps circulating, collecting debris and reacting to the sun all year. But each season stresses the pool differently, and knowing what's coming keeps you ahead of it.

Feb – Apr

🌼 Spring

  • Pollen season. Yellow film feeds algae — skim and brush more, and clean the filter often.
  • Inspect the pump, filter and heater after the cooler months.
  • Fix small issues now, before summer demand hits.
May – Sep

🔥 Summer

  • UV burns chlorine off in hours. Keep CYA in range — and if chlorine keeps sliding between tests, check every day or two until it holds.
  • Run the pump longer — 8–12+ hours in the heat.
  • Balance that can last a week may only hold 2–3 days at peak.
Jun – Nov

🌧️ Rainy & storm

  • The "4 o'clock storm" dilutes chlorine and drops pH — rain is acidic.
  • Storms wash in phosphates that can bloom algae within 48 hours.
  • Test the same day after heavy rain; skim and empty baskets.
Dec – Jan

❄️ Winter

  • Cooler and calmer — the weekly test coasts.
  • Run the pump fewer hours (4–6) to match lower demand.
  • Watch for quiet chemical drift and scaling if you slack off.

🌀 Hurricane season: before & after

Peak is August through October. Never fully drain the pool — the water weight anchors it. Lower it only to just below the skimmer if flooding threatens.

Before the storm
  • Shock heavily ~24h out to build a chlorine reserve.
  • Add algaecide — power outages can leave water stagnant for days.
  • Stow loose furniture & tools; don't drop them in the pool.
After the storm
  • Expect pH low and chlorine near zero; test right away.
  • Skim, then shock and re-balance in the usual order.
  • Call An English Pool Guy for cracks or equipment that won't restart.

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