Acid Wash Pool Service in Central Florida
Premium Acid Wash Pool Service for Homeowners Across Central Florida
Bring Stained, Scaly Plaster Back to Life
Acid Wash Pool Service for Stains and Scale
Stained or crusty plaster makes even clean water look dirty. Over time, Central Florida pools can pick up metal stains, gray scale along the waterline, dark marks from leaves and the leftover shadows of an old algae bloom. When brushing and chemicals won’t lift them, an acid wash pool treatment can bring the surface back to a cleaner, brighter finish.
Our pool acid wash service starts with the cause. First, we figure out what made the stain, because some stains need a different fix and new stains form if the source stays. Next, we check your pool’s hydrostatic relief valve, since Central Florida’s high water table can push up on an empty pool. Then we drain, wash, rinse, refill and rebalance.
Before any work, you get a clear quote and an honest answer about whether an acid wash, a chlorine wash or a stain treatment fits your pool best. After the refill, we balance the water carefully to protect the freshly cleaned plaster.
We serve homeowners across Central Florida. Whether your pool has rust spots, scale or years of wear, fill out the form for a free acid wash pool service quote. We’ll tell you what we see and what it will take to fix it. In many cases, the fix is simpler than you’d expect, and some stains don’t need a drained wash at all. When a wash is the right call, we plan it around the weather and the water table, so your pool is empty for as short a time as possible.
What Does an Acid Wash Do for a Pool?
An acid wash cleans the surface of a plaster pool with a diluted acid solution. First we drain the pool. Then the acid goes on the walls and floor, where it dissolves scale and lifts many stains out of the top of the plaster. In Florida, plaster is often called marcite, and it’s the finish most acid washes target.
Plaster is mostly calcium carbonate, the same material in chalk and marble, so acid works on it quickly. That’s what makes an acid wash effective. For the same reason, the job calls for care, the right strength and a thorough rinse.
Signs Your Pool Needs an Acid Wash
An acid wash may be the right fix if you notice:
- Brown, rust-colored or dark metal stains that brushing won’t remove
- Crusty white or gray scale that feels rough on hands and feet
- Dark shadows left behind after a bad algae bloom
- Blotchy, dull plaster that looks dirty even when the water is clear
- Stains that keep coming back after chemical treatments
If your pool is green right now, the algae needs to go first. Our green to clean service clears the water, and then we can decide whether the plaster still needs a wash.
Pool Stain Removal Starts With the Source
The most important step happens before any acid touches your pool. We identify what caused the stain and fix the source. Otherwise, new stains form after the wash, and you’ve spent money for a short-term fix.
Metal Stains
Iron, copper and manganese cause most pool stains. Iron usually shows up as brown or rust-colored spots. Copper can stain blue-green, black or even purple, depending on your water chemistry. Copper often comes from a corroding heater or pump part, or from copper-based algaecides. Low pH speeds up that corrosion, so fixing the water balance is part of the job.
Leaf and Tannin Stains
Dark stains from leaves, acorns and other plant matter come from tannins. The good news is that chlorine can often bleach these out. In other words, many dark spots don’t need acid at all. We test the stain first so you don’t pay for more than you need.
Calcium Scale
Scale is a crusty, grayish-white deposit that forms where water evaporates or runs warm, like the waterline and around returns. High pH, high alkalinity and high calcium cause it. Acidic cleaners remove scale well. However, if the scale is mostly on your tile line, our pool tile cleaning service may be the better choice.
Draining a Pool Safely in Central Florida
Draining a pool here takes more care than in many parts of the country. Central Florida has a high water table, and groundwater pushes up on the pool shell from below. A full pool holds itself down with the weight of the water. An empty pool doesn’t. If the groundwater rises high enough, it can crack the shell or even lift the pool out of the ground.
That’s why most in-ground pools here have a hydrostatic relief valve in the lowest part of the floor. It lets groundwater into the pool to ease the pressure. We check that valve before we drain, and we watch the weather, since heavy rain raises the water table. If conditions aren’t safe, we wait. Never drain your pool yourself without checking this first.
How We Acid Wash a Pool
Every acid wash pool job follows the same steps:
- Identifying the stains and correcting the water problems that caused them
- Checking the hydrostatic relief valve and the weather
- Draining the pool with a pump and protecting the equipment
- Applying diluted acid to the walls and floor in sections
- Rinsing each section thoroughly before moving on
- Collecting and handling the wash water properly
- Refilling the pool and cleaning the filter
- Balancing the water to protect the freshly cleaned plaster
What to Expect on Wash Day
On wash day, the pool will be empty for a short time, and the equipment stays off until the refill. We’ll let you know when we plan to drain, so you can keep kids and pets away from the empty pool. Once the pool refills, the filter runs and we start balancing the water. We’ll also tell you when it’s ready for swimming again.
Why Acid Washing Isn't a DIY Job
Full-strength muriatic acid is a strong, fuming chemical. Handling it safely takes chemical goggles, impervious gloves and boots at a minimum, plus a face shield for longer jobs. Acid always goes into water, never the other way around. The fumes are harsh in an empty pool, where they collect near the floor.
There’s also the plaster to think about. Too strong a mix or too long a contact time can etch the surface and leave it rough. In addition, nobody should dump the wash water down a storm drain or sewer. When you add the draining risks above, an acid wash is best left to trained pros.
Acid Wash vs Chlorine Wash vs Resurfacing
A chlorine wash uses strong chlorine on a drained pool. It works well on organic stains, such as leaves and algae shadows, and it’s gentler on plaster. An acid wash works better on scale and metal stains. Meanwhile, sequestering agents in the water can control metal stains without draining at all.
Sometimes the plaster is simply worn out. Pool finishes usually need replacing every several years, and a wash can’t restore plaster that’s rough, thin or badly etched. In that case, resurfacing is the real fix. We’ll tell you honestly which option makes sense for your pool.
Caring for Your Pool After an Acid Wash
After a wash, your plaster is freshly exposed, so water balance matters more than ever. Water that’s low in calcium, pH or alkalinity is corrosive and can etch plaster in a short time. We aim for calcium hardness between 200 and 400 ppm and keep pH and alkalinity in range. A sequestering agent also helps keep metals in solution, so stains don’t return. Our weekly pool service keeps that balance steady week after week.
For the first few weeks, test the water more often than usual and brush the walls and floor regularly. Fresh plaster shows problems quickly, so small swings in pH or chlorine are easier to catch early. If you notice new spots or a rough feel, call us before they set in.
Acid Wash Pool Cost
Acid wash pool cost depends on the size of your pool, how heavy the stains or scale are and how much prep the job needs. Bigger pools take more time, acid and water. Heavy scale may need more than one pass. The refill water and start-up chemicals are part of the total too. We look at your pool first and give you a clear price before we start.
Why Central Florida Homeowners Choose Sunwave
Sunwave is a family-owned Central Florida company with a licensed team. We find the stain source before we drain, we respect the local water table and you get a price before any work begins. There are no long-term contracts. Plus, one company can handle your acid wash, your equipment and your weekly cleaning. See all of our specialty pool services.
Schedule Your Pool Acid Wash Today
A pool acid wash is part of our pool service in Central Florida. Fill out the form or call (689) 312-9063 to bring your plaster back.
Our Service Areas
We serve homes across Seminole County and Orange County, including Sanford, Lake Mary, Oviedo, Winter Springs, Orlando, Winter Park and Windermere. See every community in our service area.
Acid Wash Pool FAQs for Central Florida Homeowners
Here are the pool acid wash questions Central Florida homeowners ask us most. Still have a question? Give us a call at (689) 312-9063.
An acid wash cleans the surface of a drained plaster pool by dissolving scale and lifting many stains from the top of the plaster. It works best on metal stains, gray scale and dull, blotchy finishes. A wash doesn't fix the cause of stains, so we find the source first. Worn-out plaster needs resurfacing instead.
The cost to have a pool acid washed depends on the pool's size, how heavy the stains or scale are and how much prep the job needs. Bigger pools take more time, acid and water. Heavy scale can need a second pass. Refill water and start-up chemicals add to the total. We inspect first and give you a clear quote.
How long it takes to acid wash a pool depends mostly on draining and refilling, since the wash itself moves fairly quickly. Pool size, the amount of scale and your water supply all affect the timing. Weather matters too, because we won't drain when groundwater is high. We'll give you a timeline with your quote.
You can't do a true acid wash without draining the water, because the acid has to touch the plaster directly. Some products lower the pH of a full pool to dissolve light scale, and sequestering agents can control metal stains without draining. Those options take longer and work best on mild problems. Heavy stains usually need a drained wash.
Yes, muriatic acid is the same as the pool acid most pool pros use. It's another name for hydrochloric acid. Full-strength muriatic acid is about 31% hydrochloric acid and gives off harsh fumes. It's used in small amounts to lower pH and alkalinity, and at stronger dilutions for acid washing. Always add acid to water.
You should acid wash your pool if the plaster is sound and the problem is stains or scale on the surface. You should resurface if the plaster is rough, thin, pitted or badly etched, since a wash can't rebuild worn plaster. Pool finishes usually need replacing every several years. We inspect the surface and tell you honestly which fits.
Acid washing is not usually the first choice for pebble finishes. Pebble and aggregate surfaces are built differently from smooth plaster, and aggressive acid can dull or loosen them. Many pebble stains respond to gentler treatments first. The best approach depends on the finish and the stain, so have a pro inspect it before any acid goes on.
How many times you can acid wash your pool depends on your plaster's thickness and condition, since each wash takes off a thin layer of the surface. A pool that stays balanced may go years between washes. Plaster that's already thin or rough may be better off resurfaced. We check the surface before recommending another wash.
The most important precaution when draining a pool for an acid wash is protecting against groundwater pressure. Central Florida has a high water table that can crack or lift an empty pool. Check the hydrostatic relief valve, avoid draining after heavy rain and keep the pool empty as briefly as possible. Protect the equipment and handle the wash water properly.
Pros sometimes acid wash new quartz pool finishes to remove the thin cement film left on the surface and expose the colored quartz aggregate. The first 28 days after plastering matter most, because the new surface is still curing and can stain, scale or discolor easily. Careful water balance during start-up protects the new finish.