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Message

re: Algae in pool

Posted on 5/31/17 at 12:06 am to
Posted by CAD703X
Liberty Island
Member since Jul 2008
94683 posts
Posted on 5/31/17 at 12:06 am to
quote:

Drain it, scrub the walls. Refill


I'll say it again. Liquid chlorine. 7-10 days. Follow the SLAM rules over at TFP. Done.

THE BLEACH WILL KILL ALL THE ALGAE IF YOU FOLLOW THE DIRECTIONS.

Why do you want all that other crap in your pool when it does nothing for you except empty your pocketbook and have you running in circles adding chemical x y and z to fix what the other chemicals have done?

As for the bleach fading the liner, there a guy at TFP with a strip in a jar of concentrated bleach with a webcam pointing to it. It's been there for months and has not faded in the least so the fear of washed out liners due to using bleach is greatly exaggerated.

This post was edited on 5/31/17 at 12:08 am
Posted by JawjaTigah
On the Bandwagon
Member since Sep 2003
23004 posts
Posted on 5/31/17 at 6:36 am to
Not saying this to be a smart azz-but to be honest. I pay a pool service every month to come every week and do maintenance and all the stuff I am too dumb and lazy to fool with. No headaches.
Posted by busbeepbeep
When will then be now?
Member since Jan 2004
19539 posts
Posted on 5/31/17 at 7:22 am to
quote:

Drain it, scrub the walls. Refill

Posted by CAD703X
Liberty Island
Member since Jul 2008
94683 posts
Posted on 5/31/17 at 7:44 am to
quote:

to come every week and do maintenance
bet your wife enjoys that too

Seriously though. I put maybe 1/2 gallon of bleach in my pool every other day and spend all of 15 minutes skimming and checking the pump basket and doing a quick chlorine and PH test every day when I come home from work.

It's not difficult if you pay a little attention every day and personally I like knowing what's going on in my pool and I don't mind if my wife screws the pool boy.
This post was edited on 5/31/17 at 7:46 am
Posted by Spaceman Spiff
Savannah
Member since Sep 2012
20659 posts
Posted on 5/31/17 at 7:52 am to
Dump a few 55 gallon barrels of bleach in it
Posted by pcolatiger28
Pensacola, Fl
Member since Apr 2009
1284 posts
Posted on 5/31/17 at 7:54 am to
Here, let me simplify it for you. Yes all chemicals are important but lets cut to the chase.

Shock pool before sunset
Add all in one algaecide
Brush pool
Let pump run overnight
Do this one more time and then vaccumm the pool to waste or use the polaris if has the right filter. Your pool sand filter should also help while its running. Once cleaned do a rinse and backwash.
48 hour process

I've done this at least 5-6 times including a completely green pool when I cam home from traveling.

Posted by LesMiles BFF
Lafayette
Member since May 2014
5101 posts
Posted on 5/31/17 at 8:25 am to
quote:

. I hardly ever use shock because it seems to turn green afterwards for several days for some odd reason.


Copper in your water. Get a metal remover from your local pool store


To the op, check chlorine levels and make sure they stay high for 1 to 2 weeks. Check every day. Use a flocking agent after those weeks. Everything should settle to bottom for vacuuming.
Posted by SpqrTiger
Baton Rouge
Member since Aug 2004
9774 posts
Posted on 5/31/17 at 8:32 am to
Trouble Free Pool is a great resource to help you understand how chlorine works in a pool, and its relationship to CYA.

You have to manage that over the course of a year, and determine when/how to use chlorine with stabilizer (tri-chlor) and when not to.

Bleach is a great alternative to use when you need to back off of trichlor.

When it comes to a big bloom with lots of dead (and live) algae on the bottom, though... the best advice I can give you is... vacuum that shite to waste. You have to get that material out. Because it's serving as a base for more algae to form on it. In essence, if you leave it there even a day more than you have to, you are increasing the surface area on which new algae can grow.

Who cares if you have to fill some of the water lost? It's bad water anyhow.

For prevention, don't underestimate the value of a good scrubbing. During the summer, you should scrub the walls regularly. Algae forms a chemical resistant biofilm that makes it tough to kill. If you're not busting up that biofilm, shocking the pool will be less effective.

Vacuum out the old algae on the bottom to waste.

Scrub the sides and bottom.

Shock. Like, end-of-the-world level shocking. Use stuff without stabilizer like Calcium hypochlorite and bleach.

Vacuum the dead algae out again to waste.

Wait a day or so, THEN... add algaecide. That will mop up all the stuff that resisted the chlorine.

If you get all the material out of the pool, and it's still cloudy with algae, and your filter isn't cutting it... then floc it, then vacuum it.

Manually removing material from your pool... scrubbing, vacuuming, scooping... is an overlooked method of keeping your pool stable. Double down on that once your pool is clear.




Posted by REB BEER
Laffy Yet
Member since Dec 2010
18340 posts
Posted on 5/31/17 at 8:33 am to
quote:

Let algae settle then vacuum to waste


This, plus bring a water sample to a pool store. They can run a test and tell you exactly what to do.

I started a thread on here a while back about a copper ionizer and got positive feedback. So I made one and have been using it for almost 2 months. My water has stayed crystal clear with hardly any chlorine whatsoever in it.
Posted by adamb2151
Houston, Texas
Member since Jun 2013
6586 posts
Posted on 5/31/17 at 8:38 am to
Shock it, brush it multiple times a day and vacuum it once a day until it clears up. Make sure your pump is running at all times and your filter pressure is always low. Also make sure your pump strainer baskets are cleaned a few times a day until you get it resolved.
Posted by S
RIP Wayde
Member since Jan 2007
173715 posts
Posted on 5/31/17 at 8:40 am to
LE I didn't know you were a pool guy.
Posted by CAD703X
Liberty Island
Member since Jul 2008
94683 posts
Posted on 5/31/17 at 8:41 am to
quote:

bring a water sample to a pool store. They can run a test and tell you exactly what to do.
Posted by JawjaTigah
On the Bandwagon
Member since Sep 2003
23004 posts
Posted on 5/31/17 at 8:42 am to
quote:

It's not difficult if you pay a little attention every day
Well that's just it. I don't want to have to think about it every day or have any commitment to remember what I'm supposed to do, or how much and which chemical(s) I'm supposed to add, and when.
Posted by CAD703X
Liberty Island
Member since Jul 2008
94683 posts
Posted on 5/31/17 at 8:46 am to
quote:

Well that's just it. I don't want to have to think about it every day or have any commitment to remember what I'm supposed to do, or how much and which chemical(s) I'm supposed to add, and when.


you're in the pool store trap. i'm telling you, liquid bleach, a big bag of baking soda from sam's club and maybe some muriatic acid every once in a great moon.

bleach will solve 99.9% of your pool problems and you only need the soda ash occasionally if it rains and throws your pH out of whack.

people are so convinced they need dozens of complicated chemicals and shite and you don't. THROW IT ALL OUT AND DOUBLEBIRD THE POOL STORE.

eta best thing is if you go on vacation for a week, you can have a trusted neighbor pour a gallon of bleach in your pool every evening and you will not come home to a green pool. little or no effort on their part, NO HASSLE when you get home.
This post was edited on 5/31/17 at 8:49 am
Posted by PrivatePublic
Member since Nov 2012
17848 posts
Posted on 5/31/17 at 8:51 am to
quote:

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?


Congratulations! You're dealing with the same shite I dealt with when I hired a local company to install new pool equipment and get my pool up and running. They gave me an undersized cartridge filter with no way to vacuum to waste, then let the pool get nasty before they finished the job, so that when I went to clean it, the filter would get clogged after just a minute of vacuuming. Luckily, a buddy was pool smarter than me and he set me up with an appropriately sized sand filter and multi-port valve so I could vac to waste and backwash easily.

What I learned in all of that is that cartridge filters may filter smaller particles, but they are better suited for indoor pools and if you let your pool go green or can't drain it easily (i.e. a vinyl liner, like I have) then they are shite to use.

My advice: tear that piece of shite out and put in a good sized sand filter. Then use the Trouble Free Pool method to maintain chlorine levels.
Posted by CAD703X
Liberty Island
Member since Jul 2008
94683 posts
Posted on 5/31/17 at 9:02 am to
quote:

tear that piece of shite out and put in a good sized sand filter. Then use the Trouble Free Pool method to maintain chlorine levels.


you can put a *tiny* amount of diatomaceous earth in your pool skimmer that will settle on top of the sand in the sand filter and will help the sand filter smaller particles.

of course the downside is once you backwash its gone but if you know how much to add (maybe 1/4 cup) its easy enough to add more after you've set the pump back to normal operation.
This post was edited on 5/31/17 at 9:04 am
Posted by Prosecuted Collins
The Farm
Member since Sep 2003
7360 posts
Posted on 5/31/17 at 9:06 am to
Good advice Cad.

Big believer in BBB method, and after struggling with pool stores, pool companies, I do it myself now with much less headache and my wallet is a lot fuller.

Do the research yourself people, but Liquid Chlorine Bleach is your friend here.

Winn Dixie has it for 1.25 a bottle. Can't beat it.
Posted by LSUperior
Member since Aug 2009
1242 posts
Posted on 5/31/17 at 9:26 am to
You need to find out what your CYA level is asap...and adjust your shock level accordingly. You need to keep your pool at shock level until it can pass an OCLT (go to troublefreepool.com). In the meantime it will be a constant battle of shocking, manually vacuuming to waste, and scrubbing. If you keep this up...then it will eventually clear up. Might as well go to your nearest Walmart and buy a good bit of the 10% bleach to use as shock.

I don't usually recommend anything other than bleach, salt, muriatic acid, etc....but it may be wise for you to use a non-copper based algaecide for your pool once it clears up as a preventative, I like Bioguard Backup 2.
Posted by CAD703X
Liberty Island
Member since Jul 2008
94683 posts
Posted on 5/31/17 at 9:28 am to
quote:

OCLT


fyi this stands for 'overnight chlorine loss test' and it simply means that the chlorine level in the pool when you went to bed is the same when you wake up in the morning..and with the sun not a factor at night..if its lower that means there's still algae eating your chlorine so you need to keep the pool at shock level a little longer.

you'll need the fancy chlorine tester (not the cheap kit from the pool store) to get the EXACT level of chlorine since at shock level its way beyond the ability of those cheap kits to know precisely how much is in your pool.


THEMOREYOUKNOW
This post was edited on 5/31/17 at 9:30 am
Posted by lnomm34
Louisiana
Member since Oct 2009
12702 posts
Posted on 5/31/17 at 9:30 am to
(no message)
This post was edited on 11/2/25 at 4:31 pm
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