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re: Algae in pool

Posted on 5/30/17 at 6:43 pm to
Posted by Lester Earl
3rd Ward
Member since Nov 2003
291656 posts
Posted on 5/30/17 at 6:43 pm to
I bought the test kit TFP recommends. Man the directions give me a headache compared to the simple one o have previously
Posted by Fun Bunch
New Orleans
Member since May 2008
131731 posts
Posted on 5/30/17 at 6:43 pm to
If everything is sinking to the bottom, using the Polaris won't help. You'll need to manually vac to waste. Are you using a flocculent or something?

I recently had this problem. Nothing worked. Finally got my chemicals right, used a 35 dollar algaecide and 8 lbs of shock and then shocked again the next day. Worked like a charm.
Posted by magildachunks
Member since Oct 2006
36635 posts
Posted on 5/30/17 at 6:44 pm to
bleach is diluted chlorine. So, yeah it will work with enough of it.

Buy the cheapest chlorine. There is minimal, if any difference between that and the "SuperMax, Extra-duper shock".

Shock is just chlorine.

Put 10-15 lbs in to shock any pool.

Seems you may have enough though. Check your Chems and ph using some strips and make sure the ph isn't bad.

Also, with the amount of rain we've been getting, make sure your chlorine isn't low.

The dead algae will have to be vacuumed out.

And make sure your filter is clean. The filter is what clears the water.

Posted by PrivatePublic
Member since Nov 2012
17848 posts
Posted on 5/30/17 at 6:46 pm to
Whenever stuff is settled on the bottom of your pool, that is the perfect opportunity to vacuum it to waste. Will cost a few bucks at most in water lost, less if you are efficient. Easy peasy.

As for the cloudiness, yeah, that is not chlorine dude. That's just the algae suspended in the water. That'll take time to filter. Run your pump extra, you should be seeing daily improvement. If not, your filter has a problem.


Posted by CAD703X
Liberty Island
Member since Jul 2008
94683 posts
Posted on 5/30/17 at 6:46 pm to
quote:

Lester Earl
CYA is everything. It's not that hard.

TFP has a new free (for now) app called pool math. It's fantastic. You'll need to register on the website to get the download link.
Posted by Fun Bunch
New Orleans
Member since May 2008
131731 posts
Posted on 5/30/17 at 6:46 pm to
I know a lot of people don't like flocculents but if nothing else is working then you may have to go there.

Use the floc, follow the directions, and you must Vac to waste. This will get rid of the algae if done right, but it will come back if you don't get your Chemicals right.
Posted by CAD703X
Liberty Island
Member since Jul 2008
94683 posts
Posted on 5/30/17 at 6:48 pm to
Liquid. Bleach.

All you need.

The end.
Posted by pcolatiger28
Pensacola, Fl
Member since Apr 2009
1284 posts
Posted on 5/30/17 at 6:49 pm to
I'm a first time pool owner as of two years ago. I've had to fight it several times and here is what I've learned and it works.

If you've already shocked the pool and the chlorine is high, go ahead and buy some algaecide from the pool store. Make sure it's one to treat/kill the algae. Brush the pool to stir up the algae and then pour the algaecide into the pool and run your pump overnight. Check the chlorine level the next day since the algaecide will eat or diminish the chlorine. If the chlorine is low add some more. Brush it again and and a second doses of algaecide and keep an eye on chlorine. Vacuum it to waste or make sure you vacuum has a filter that will catch algae. You should be good within 48 hours.
Posted by magildachunks
Member since Oct 2006
36635 posts
Posted on 5/30/17 at 6:49 pm to
quote:

Liquid. Bleach. All you need. The end.


Cheap chlorine.

100 lbs of chlorine will make a ton of bleach.

Or just add it to your pool
Posted by Ramblin Wreck
Member since Aug 2011
4465 posts
Posted on 5/30/17 at 6:55 pm to
Wow, thanks for all the quick replies. I posted the question and drove to a restaurant and when I got here I see 21 replies. Guess I've got plenty to read while we wait on our food.

As far as the filters, they are pleated paper, I don't know what micron they are.

Whenever I've had issues in the past the pool store cons me into buying whatever $90 bottle of chemicals they have excess of and tell me to add them and scrub with a wire brush until my arms fall off. That usually doesn't work and I end up just adding a ton of shock and it works. This time it hasn't yet.
Posted by magildachunks
Member since Oct 2006
36635 posts
Posted on 5/30/17 at 7:00 pm to
quote:

Whenever I've had issues in the past the pool store cons me into buying whatever $90 bottle of chemicals they have excess of and tell me to add them and scrub with a wire brush until my arms fall off. That usually doesn't work and I end up just adding a ton of shock and it works. This time it hasn't yet.



Never go to a pool store for advice. They are in it to sell chemicals.

Buy some good test strips and go from there. Check to see if you need stabilizer as well.

If ph is high, add acid. If low, add soda ash.

If your ph is way off, it will mess with the chlorine.

And check your filter cartridges. They may need to be cleaned. If so, put them in a garbage can filled with water and two gallons of acid and soak overnight

Those things will be like new.
Posted by lsuroadie
South LA
Member since Oct 2007
8456 posts
Posted on 5/30/17 at 7:36 pm to
quote:

busbeepbeep


he speaks the truth.

trouble free pool.com

ignore all of the aforementioned absolutely idiotic posts

drain...floc...rinse...repeat...




get off the merry go round brother
This post was edited on 5/30/17 at 7:42 pm
Posted by Lester Earl
3rd Ward
Member since Nov 2003
291656 posts
Posted on 5/30/17 at 7:37 pm to
CYA is the easiest to measure with the new kit. Some of the verbiage to measure the chlorine and Ph confuses me though
Posted by lsuroadie
South LA
Member since Oct 2007
8456 posts
Posted on 5/30/17 at 7:43 pm to
quote:

Some of the verbiage to measure the chlorine and Ph confuses me though
those are the easiest
Posted by Ramblin Wreck
Member since Aug 2011
4465 posts
Posted on 5/30/17 at 7:50 pm to
quote:

If everything is sinking to the bottom, using the Polaris won't help. You'll need to manually vac to waste.


I'm just using the Polaris to help stir up the bottom. Unfortunately my pool vacuums to the filter, so I don't have a set up to go to waste. Guess I'll have to pull a vacuum and drain the algae bottoms manually in my yard somewhere. I've never tried this, maybe use a shop vac on the end of the hose to get it started?
Posted by Lester Earl
3rd Ward
Member since Nov 2003
291656 posts
Posted on 5/30/17 at 7:55 pm to
Explain it to me like I was a 5th grader
Posted by otowntiger
O-Town
Member since Jan 2004
16923 posts
Posted on 5/30/17 at 8:02 pm to
I've had this problem several times. The only solution I found that works is draining it and starting over.
Posted by lsuroadie
South LA
Member since Oct 2007
8456 posts
Posted on 5/30/17 at 8:40 pm to
quote:

Explain it to me like I was a 5th grader

did you get the laminated instruction guide with it? I've heard they forget to put those in sometimes...

ph....(found in the blue box marked K1000) fill the right side of the mixing vial up to the line at the top of the vial...add 5 drops of the R-0014 (red bottle) and mix. hold vial up to a light, the color of the solution will match the color of the ph markers on the vial...should be 7.2 or close

free chlorine...(aka chlorine drop test)

take the 40ml vial that has the 'chlorine only' sticker on it...add pool water up to 10 ml's. add a heaping scoop of R-0870 (the tiny blue scoop that came with kit) to the vial. it should turn red, if it does not, you have no chlorine. mix thoroughly. take your bottle of R-0871 (probably 2nd biggest bottle in test kit) and add one drop at a time while swirling. your goal is to titrate back to clear with all pink color gone. counting the number of drops til it clears, divide by 2. that is your FC in your pool.

Combined Chlorine test is another conversation but is a continuation of your FC test. FYI...you don't necessarily need to do this test every day when you know what your pool takes. I only do it once a week

going back to your ph vial...(in blue box marked K1000)...the left side is chlorine and right side is ph. yu can perform a 'quick check' of your chlorine by, again, filling the left side with pool water, up to the line at top of vial, and add 5 drops of R-0600, mix.

this is a quick indicator of chlorine in your pool w/o doing the above mentioned FC drop test, which is just a more accurate reading of chlorine in your pool

This post was edited on 5/30/17 at 8:43 pm
Posted by busbeepbeep
When will then be now?
Member since Jan 2004
19539 posts
Posted on 5/30/17 at 8:57 pm to
quote:

bleach is diluted chlorine. So, yeah it will work with enough of it.
Buy the cheapest chlorine. There is minimal, if any difference between that and the "SuperMax, Extra-duper shock".
Shock is just chlorine.


you're neglecting the effect on the CYA level by the different methods of chlorination. The effective strength of the free chlorine is inversely proportional to the amount of stabilizer in the water. But you need stabilizer to help protect the chlorine from the sun. '

Bleach/chlorine fed pools would want a CYA level of 30-50. If you're using a SWG (salt water chlorine generator) then you'd want CYA at 70-90.


most commercial "shock" products are di-chlor, which will rapidly increase your CYA level

The puck style chlorine is tri-chlor, which will also increase CYA but not as much as di-chlor per PPM of free chlorine.

Cal-hypo powder will not affect CYA but will increase your calcium hardness

Sodium Hypochlorite (the active ingredient in bleach), gives no adverse byproduct besides trace amounts of salt. I use the costco 3 packs of 8.25% bleach.
Posted by GumboPot
Member since Mar 2009
140573 posts
Posted on 5/30/17 at 9:05 pm to
Pour a gallon of bleach in your pool. It should clear up in a day or two.
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