Pool algaecide and swimming pool maintenance tips. Best way to eliminate an algae swimming pool and avoid common mistakes to give you clear pool water.
Get the best pool water maintenance information for killing algae.
You can remove green swimming pool water, and lower your pool maintenance cost to give you the pool perfect for you.
Algaecides are mostly used as a preventative measure, although I've sometimes used them when I walked into a backyard and the pool had that “walk across it” look.
If you have ever seen the rows and rows for pool green water algaecides, you may have become overwhelmed.
When Your Pool Water Is Green
Check your pool water chemistry and filtration system before using an algaecide.
You may just need to balance the water to clear up your pool. Pay attention to the pool pH level. You'll want to get it down to about 7.0-7.2.
If you have a green algae swimming pool, and you’ll know if you have one, find out which kind of algae you have. Most of the time simply maintaining a high free chlorine level is enough to kill the algae.
If you have black algae you'll need to rub chlorine tabs on the affected areas.
Adjust your pool water chemistry, be sure you have backwashed your sand filter or DE filter, then shock your pool. If you have a cartridge filter be sure to clean it out well. You may want to wait a day or so to allow the chlorine to do its job.
If you still have that "pool water green" problem, after a couple of days check to be sure you're properly shocking the pool. You may need an algaecide after that. Remember that an algaecide is not used for killing existing algae.
The only algaecide I use and recommend is called a PolyQuat 60. This is very important. Many other kinds have metal, mainly copper, in them. You don't want to add anything else to the water. A PolyQuat 60 is a bit more expensive but well worth the investment.
Chart - Super-Chlorinate Your Pool
(Amount Needed to Reach 10 ppm)
|Type of chlorine||POOL GALLONS|
|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.|
Remember the best pool algaecide in the world will not kill your algae issues. Pool chlorine shock is the only thing that will. A green algae swimming pool is a common issue, but don't worry. You have lots of great information here.
Using the best pool tips, the best pool algaecide, and understanding your pool’s chemistry is the best way to keep that algae far from your pool.
Go To:Swimming Pool Care > Pool Algae > Pool Algaecide
If you have a chemical related issue, please give the chemicals readings, type of filtration system, what you've done or are trying to do, etc..
Sand, Cartridge, DE Filter
Please explain your issue thoughtfully. By giving me all the details, it makes it much easier to answer your question and helps others that may have similar issues.
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We just got our readings. It says that the Free Chlorine and Total Chlorine is below the recommended values but the Combined Chlorine is above the recommended
I have a dark brown iron stain from a rusty bolt that the kids threw in my cement pool.
We added muriatic acid to our pool to lower the swimming pool pH level. I need to know how long after we added it to swim. Thanks for your question James