There are two methods to properly repair rebar stains:
- Underwater (without draining the pool, using scuba gear and special tools)
- Dry (drain the pool and expose the rust with chipping and jack hammers.
How to repair rebar stains in a pool?
There are two known methods to repair rebar stains: 1- Underwater (without draining the pool, using scuba gear and special tools), or 2- Dry (drain the pool and expose the rust with chipping hammers) Rebar stains occur in swimming pools and spas when the rebar is not properly encapsulated with gunite (or shotcrete).
Is it bad to have a rusty rebar in a pool?
A common misconception is that it’s the pool builder’s fault for installing rusty rebar. That’s not the issue. Most rebar comes off the truck with at least a little rust. Not only is this not a problem, but some say a bit of rust can actually strengthen the bond between the steel and cement.
Why does my pool have rust-colored stains?
If you suspect your rust-colored pool stains are due to your pool’s rebar, the time to take action is now. Being extremely corrosive, the structural integrity of your pool has already been put at risk the moment you notice these stains. The rebar may be fixed with there being water in the pool or with the pool being drained.
What happens if you don't clean gunite pool rebar?
Although the bleed-through stain may be small in size, the corrosion beneath the plaster (in the gunite) is always larger in scale (see photos for examples). Left untreated, rusted rebar will eventually rust the entire pool. Dry (drain the pool and expose the rust with chipping and jack hammers.
How do I get rid of rust spots in my pool?
0:063:39Removing Rust Stains from your Pool - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou want to make sure no metal falls in your pool. And will just really damage plaster. And I useMoreYou want to make sure no metal falls in your pool. And will just really damage plaster. And I use dry acid or sodium bisulfate. And this works really good and getting rid of rust stains.
What causes rust spots in a gunite pool?
Rust stains can develop from construction fasteners that fall into the pool, but more often come from hair pins, aka bobby pins, or pieces of non-pool toys brought into the water. Old water pipes can carry iron into the pool when adding water.
How do I get rid of metal stains in my pool?
How to Remove Metal Stains in Your PoolStep 1: Lower You Water's Chlorine Levels. ... Step 2: Add Algaecide. ... Step 3: Apply Vitamin C on the Stain. ... Step 4: Add Ascorbic Acid for Larger Stains. ... Step 5: Circulate Your Water. ... Step 6: Check For Residual Stains.
Can you repair a rusted pool?
0:001:28How To Fix Rust On Pool Walls? - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd pit and make sharp edges and if that's the situation that you have then you need to scrape theMoreAnd pit and make sharp edges and if that's the situation that you have then you need to scrape the the loose material off the wall. And then you need to use an angle grinder to grind the walls down.
Is it OK to pour concrete over rusty rebar?
Having rust on the surface of the rebar could cause further corrosion of the reinforcements. Further, placing concrete with the rust in the reinforcement, lose the bond between the concrete and reinforcement bar. It could lead to reducing the bond strength.
Does chlorine remove rust?
Rust stains are particularly limited in what will effectively take them out. Most importantly, it's critical to note that rust stains can NOT be removed with Clorox® Regular Bleach2 (or any chlorine bleach for that matter). You need to use a rust remover product instead, which can be found at hardware stores.
How do you remove metal stains from a gunite pool?
2:016:20How To Remove And Prevent POOL STAINS | Swim University - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf you think it's a metal stain chlorine has little effect instead apply some absorbing acid akaMoreIf you think it's a metal stain chlorine has little effect instead apply some absorbing acid aka vitamin c directly to the stain. If the stain is removed or lightened by the powder.
Why does my pool keep getting metal stains?
Metal stains occur mainly when chlorine is added to water, oxidizing these heavy metals to produce different stain colors, depending on the metals present in your water. These stains might occur at different places inside and around your pool, including: in the pool water. along the bottom or walls of the pool.
What does muriatic acid do to a pool?
Along with balancing the pH levels of your pool water, muriatic acid is strong enough to kill mold, remove rust stains, get rid of calcium deposits, and clean the surfaces of your pool.
How do you paint a metal pool?
Mix equal parts of a two-part epoxy aluminum pool paint in the paint sprayer. Apply it using the same process as the primer, starting at the top and working around before moving down the side of the pool. Cover the exterior surface, then let it dry.
What happens if you rust rebar in a pool?
A rebar stain in a swimming pool or spa is a serious issue.#N#Rusting rebar will continue to corrode within the pool structure until all corrosion is removed. Although the bleed-through stain may be small in size, the corrosion beneath the plaster (in the gunite) is always larger in scale (see photos below for examples).#N#Left untreated, rusted rebar will eventually rust the entire pool. There are two known methods to repair rebar stains:#N#1- Underwater (without draining the pool, using scuba gear and special tools), or#N#2- Dry (drain the pool and expose the rust with chipping hammers)
Why does rebar stain?
Rebar stains occur in swimming pools and spas when the rebar is not properly encapsulated with gunite (or shotcrete). Lack of gunite coverage over rebar and/or poor workmanship are common causes of rebar corrosion. Here is an excellent article by pool engineer Ron Lacher about gunite workmanship issues. Customers frequently ask if resurfacing the ...
Can you replaster a pool without removing rebar?
No, it will not. If the pool is replastered without removing the corroding rebar, the stain will work its way through the new plaster causing a new stain in your new plaster. The corrosion must be removed!
Can rebar rust in a pool?
Left untreated, rusted rebar will eventually rust the entire pool. There are two known methods to repair rebar stains: Rebar stains occur in swimming pools and spas when the rebar is not properly encapsulated with gunite (or shotcrete).
What is rust in a pool?
Rebar rust stains in the pool. Rebar spots and rust stains can be pesky issues in your pool, and can lead to much more dangerous effects if they go on without being treated. Essentially, these spots will occur when water makes its way down through the pool’s main surface and into the metal framework contained within the layer ...
Why is my pool rusty?
Rebar spots can lead to rusty discharges entering the pool’s water, and will eventually damage the integrity of the structure itself , making its way through the plaster and spreading over time. It’s important to remember that these stains are not avoidable though the treatment of the pool water, but are rather a symptom of infrastructure issues.
Can you scrape rust off a pool?
If you try to simply scrape the rust stains off the side or bottom of the pool, you will only see more and more rust appear, as the problem tends to spread all the way to the metal in the foundation. Regardless of how much the problem has spread before the maintenance begins, this is a major project that demands expert care.
Can rust stains in a pool cause damage?
Consider hiring Poolman as your Phoenix pool service to ensure that rebar rust stains do not spread any further or cause long-term damage to your swimming pool.
What Causes Rust Stains?
Pool rust stains (or rust spots, as it is commonly called in the industry) are caused by metal being too near the surface of a pool. To understand this, you must first understand how a pool in constructed.
Repairing Pool Rust Stains
The only way to properly repair a pool rust stain is to chip into the pool shell around the rust spot. Then, the rebar and/or wire must be bent into its proper place. We then spray with Rustoleum or a similar product to prevent further rusting and patch the pool with shotcrete..
The Most Common Cause of Pool Staining
There are a number of reasons why you’ll see staining throughout your pool. Below are just a few of the most common reasons why you may be noticing rust stains in pools.
How to Test Your Rusty Pool Stains
Before taking any action, it’s important to know what you’re dealing with. The easiest way to test the stain is to take some sandpaper and rub the area. If the stain disappears, then you know you don’t have a serious issue on your hands.
Dealing with Different Rust Colored Pool Stains
Different approaches will need to be taken depending on what’s causing the stains in your pool.
Take Advantage of 50 Years of Pool Remodeling Experience
Since 1969, the pool remodeling experts at Gardner Outdoor and Pool Remodeling have proudly been improving the appearance and integrity of pools and outdoor living spaces in Los Angeles, San Diego, Palm Springs, and surrounding communities. We are also one of only 50 licensed Pebbletec® applicators in the United States!
About The Company
Gardner Outdoor and Pool Remodeling has been serving the Southern California area since 1969.