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Product Description
From the Manufacturer
Phosfree reduces phosphate levels in your pool. Phosphates are the limiting nutrient for algae growth. Reduce phosphates to near zero and enjoy an algae free pool. Natural Chemistry unconditionally guarantees it.
Product Description
STARVES ALGAE!
Eliminates phosphates (algae's primary food source) to starve algae!
Can be used all season and is great for pool closing in the fall to control algae during the winter months!
Unlike algaecides that kill existing algae (resulting in a release of phosphates by the dying algae), Phos Free eliminates phosphates from the water to solve even the most stubborn algae problems!
Purchase extra Phosphate Test Strips so you can test for phosphates in the future!
Dosage: 4 oz. per 8,000 gallons, (Higher dosage for excessive phosphate levels).
Eliminates phosphates (algae's primary food source) to starve algae!
Can be used all season and is great for pool closing in the fall to control algae during the winter months!
Unlike algaecides that kill existing algae (resulting in a release of phosphates by the dying algae), Phos Free eliminates phosphates from the water to solve even the most stubborn algae problems!
Purchase extra Phosphate Test Strips so you can test for phosphates in the future!
Dosage: 4 oz. per 8,000 gallons, (Higher dosage for excessive phosphate levels).
Customer Reviews
Most Helpful Customer Reviews
23 of 25 people found the following review helpful
This product eliminated my algae problem. I've owned a plaster pool for six years, and have at best only been able to keep the algae at bay, both green and red (red algae, not pink slime). I tried every chemical recommended by several pool stores, including super-chlorination and bromine. I was adding chlorine every two days and kept two floaters in at all times just to keep it at 1ppm; it got expensive. So when the pool store recommended this product because my phosphates were too high, I thought, "Sure... another expensive chemical to sell me." But I was desperate, so tried it anyway. My initial level was 1000ppb, which means that while I was trying to kill the algae with chlorine, the phosphates were feeding it. After two treatments (read the directions carefully) of 1.5 liters each, running the pump for 24 hours straight after each treatment, it was down to 300ppb (recommended level is <200). I added a third treatment for good measure. I haven't seen algae in three months. I add chlorine no more than once/week in the summer, and it easily stays at 3ppm. This is going to save me work, headaches, and $$$ on chlorine. It has nearly eliminated the calcium buildup on the tile at the waterline since I'm not shocking constantly.
WARNING: do not apply this until you have killed the algae in your pool. Yes, it removes the phosphates (algae food), but it somehow protects the existing algae, making it very hard to kill. Shock well, then use Phosfree the next day.
Update: I found silver algacide helps get rid of the red bacteria.
WARNING: do not apply this until you have killed the algae in your pool. Yes, it removes the phosphates (algae food), but it somehow protects the existing algae, making it very hard to kill. Shock well, then use Phosfree the next day.
Update: I found silver algacide helps get rid of the red bacteria.
7 of 7 people found the following review helpful
Amazon Verified Purchase
I've been using phosfree for over 4 years.
Really cuts down on chlorine usage, works great.
I got a deal, a little over $20.00 per 3-liter bottle.
Never got it that cheap before, don't expect to again.
Anything under $25.00 for a 3-liter bottle is a great price.
buy it!
Really cuts down on chlorine usage, works great.
I got a deal, a little over $20.00 per 3-liter bottle.
Never got it that cheap before, don't expect to again.
Anything under $25.00 for a 3-liter bottle is a great price.
buy it!
7 of 7 people found the following review helpful
This is a superior product and my wife and I have had great results and no regrets or problems using it. Our best success with this product has been when we've followed these directions, as I recommend you do:
Directions:
1. If pool has algae, follow dealer instructions to treat.
2. Follow dealer instructions to balance water chemically.
3. Clean or backwash filter, if necessary.
4. Refer to PHOSfree product back chart for dosage.
5. With filter running, shake bottle well, and add required dose directly to skimmer.
6. Run filter 8 hours a day for one week or 48 hours continuously without backwashing or cleaning.
When phosphates levels are 100ppb or less, begin Pool perfect+ Phosfree as a weekly maintenance.
Directions:
1. If pool has algae, follow dealer instructions to treat.
2. Follow dealer instructions to balance water chemically.
3. Clean or backwash filter, if necessary.
4. Refer to PHOSfree product back chart for dosage.
5. With filter running, shake bottle well, and add required dose directly to skimmer.
6. Run filter 8 hours a day for one week or 48 hours continuously without backwashing or cleaning.
When phosphates levels are 100ppb or less, begin Pool perfect+ Phosfree as a weekly maintenance.
Most Recent Customer Reviews
Really good stuff
This is the first time I have used Phosfree. The price is half what I would pay locally. It works great and is super easy to use. Read more
Published 21 hours ago by Joanna Rochelle
Works just don't be in a hurry
If you add it weekly it works great. If you wait until your phospate levels start to rise the results arn't immediate. Read more
Published 1 day ago by Viet Vet
great
This was just what I ordered and came quickly. I would order it again. It was described correctly. The Product works great in my pool.
Published 12 days ago by denzer
Not as concentrated as the description says
I just received my bottle of chemical, so have not used it yet (it's to replace a different brand that I used up). As phosphate removers go, I'm sure it works well. Read more
Published 19 days ago by Jimmy Riddle
excellent
this product claims that algae cannot grow in its environment....use a cup a week in the skimmer....and by and large, it works well. Read more
Published 26 days ago by Russell Lewandowski
commercial strength is a better deal than this
Commercial strength phos free is a better deal for your money. It costs twice as much, but will be good for much longer. Read more
Published 1 month ago by Juana Alicia Morín
It Works
I've used PhosFree for years to keep phosphates low in my pool, and it works very well. But the best news is the price. Read more
Published 5 months ago by H. Greenberg
Best Product Ever !!!
I just started using Phos-Free after purchasing it online at Amazon.com. Amazon.com has THE best price. I will never, ever consider using algaecide again in my pool. Read more
Published 6 months ago by Not A Pool Slave
It works.
This really works and saved my pool when we were renting. Needed to bring down certain levels and this did the trick. Read more
Published 6 months ago by Robert G. Iversen
awesome!
PHOS free is unreal product, I battled with my pool for 13 years in Texas. Started adding Phos Free and water is ctystal clear, reduced my chorine to pretty much zero. Read more
Published 9 months ago by bulldog
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