Brown Algae Problems

Brown Algae Production & Swimming Pool Algae Control. Understand Types Of Algae In Water & Algae Facts .

This is a very ugly kind of algae that will make your pool very uninviting, especially when you have a big party the next day.  Killing it takes a little time, energy, and effort. 

Pool algae problems are normally a direct result of poor swimming pool water chemistry, pool water maintenance and/or bad filtration.

Weekly pool maintenance is needed or else you will get a host of water problems. 

Steps should be taken to ensure you won't have more swimming pool problems such as: 

  • Increased pool maintenance cost
  • A high chlorine demand
  • Swimming pool stains
  • Clogging of the pool water filters
  • Cloudy pool water
  • Too high or too low pool pH (pH bounce)

Clearing up a pool is easy...when you have the RIGHT information. These are the ONLY eBooks on the internet with real proof to back up the claims. Click below to get your pool back.


Brown Algae Prevention

Having your swimming pool chlorine, pool alkalinity, pH, CYA/pool stabilizer, and calcium hardness adjusted correctly is very important.

Clear Up Brown Algae

The Best Way To Clear Up Brown Algae

If you have algae, you must take immediate action in killing it. Doing this will lessen the risk of staining and will lengthen the pool water life.

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First You Should:

  • Bring the pH, alkalinity, CYA, and hardness in line  
  • Brush the bottom, sides, and steps to loosen any algae that may be adhering to the surface 
  • Purchase a high quality  leaf rake, (not those simple blue square skimmers) and scoop out as much debris from the bottom and top of the pool as you can. If  you're able, make sure the bottom drain is clear and free from debris.
  • Also, watch that the pool’s water level. Keep the level 1/4 - 1/2 up from the bottom of the skimmer.
  • Super-chlorinate the pool by maintaing a high free chlorine level of 15 - 20ppm 
  • Use a pool algaecide (PolyQuat 60) and follow the instructions on the container.  This is for preventative maintenance for recurring algae while the chlorine is busy killing the algae. Algaecides won't kill already existing algae. Don't use a copper algaecide as this will add metal to the pool.  And don't add a flocculate. This doesn't address the algae problem.  Save your money.
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The water will turn from a brown to white or grayish. Also, there will be dead algae on the bottom of the pool.  This can be filtered out through your pool filter and vacuuming. Once the water has cleared and you lose only 1 - 2ppm within a 12 hour period will you know the algae is dead.  

Remember, when you have a swimming pool algae problem, there is no quick fix. It will take time, effort, and patience to clear up your pool. When your swimming pool chlorine is down to around 3.0ppm the pool will be safe to swim in once again.

Don't allow anyone to swim in the pool until the brown algae is gone and the water has cleared up.

Chlorine Chart - Super-Chlorinate Your Pool
(Amount Needed to Reach 10 ppm)

Type of chlorine POOL GALLONS
1,000 5,000 10,000 12,000 15,000 20,000 25,000 50,000
Sodium Hypo 10 oz. 1 3/4 qts. 3 1/4 qts. 1 1/4 gal. 1 2/3 gal. 2 gal. 4 gal. 6 gal.
Lithium Hypo 4 oz. 1 1/4 lbs. 2 1/3 lbs. 3 1/2 lbs. 4 3/4 lbs. 6 lbs. 12 lbs 18 lbs.
Dichlor 2 1/4 oz. 11 oz. 1 1/3 lbs. 2 lbs. 2 2/3 lbs. 3 1/3 lbs. 6 3/4 lbs. 14 lbs.
Calcium Hypo 2 oz. 10 oz. 1 1/4 lbs. 2 lbs. 2 1/2 lbs. 3 1/4 lbs. 6 1/2 lbs. 13 lbs.

Don't skimp and try to save a few pennies on the pool chlorine.  The brown algae will like it if you don't use enough. I suggest you get these calculations and then add another 1/2 gallon of swimming pool chlorine, just to be sure.

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What Other Visitors Have Said

Click below to see contributions from other visitors to this page...

Brown Slime in Micro Filter & Yellow Stinky Water 
Our Spa pool was new three months ago, it came with two filters and one micro filter. We used "simply silver" as our sanitiser. Slowly the water turned …

Brown Mist In Bottom Of Pool & Brown Algae 
Installed new salt water filter in the pool this year. Finally got it clear in late May, but late June pool had brown stuck to bottom. Vacuumed out shocked …

Brown Stains In A Gunite Pool With A Salt System That Has Been Replastered 
When I took on this pool it had brown stains on the walls and floor. The owner had already planned for someone to come and replaster it. After they …

Help Please With Slimy Water! 
I have a pool and on today I was about to clean out the pool before I swim. I look down at the ladder and there are these things attached to it that …

Brown Algae Won't Come Off Of A Vinyl Liner 
Opened our pool 2 weeks ago we used liquid shock. The pool water is clean but the liner is covered it what appears to be brown and red algae. We treated …

Do I Have Brown Dirt Or Is It Brown Algae? 
I keep getting what looks like real fine brown dirt that settles on the bottle of my pool. I spent several hours vaccuming just the shallow end yesterday …

Brown Stain on Gunite Pool Not rated yet
I have IRREGULAR, BROWN, RUST-COLORED stains mostly in the SHALLOW END bottom of my GUNITE, salt water pool. What's interesting about the stains are that …

Brown Stains On Floor And Walls Of Pool/Fluffy Stuff Not rated yet
I have tested stains and they appear to be iron stains; lighter brown with no shape. I have used Abscorbic acid - 1st time 1 lb and 2nd time 1 lb. the …

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