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I got to your point of understanding the fundamentals and wanting even clearer water the season after I discovered TFP. Although my water was clear, really clear, I noticed lots of visible particles in the water during night swimming around the lights (I theorize that it is mostly dead skin...

If you live near the Nassau/Suffolk border in Long Island, Twin County Pool has 15%+ liquid chlorine for $3.75 per gal. You need to bring your own carboy or buy one though.

When the pump is on it will not float and will eventually form to the skimmer basket. Depending on the volume of debris finding your pool water, the skimmer sock can clog quickly. So check it frequently in the first week or so to get an idea on how often to clean or replace the sock. Using the...

I would like to suggest a pool ladder mat for your replacement liner.

Many of the south shore beaches have beaches on the Great South Bay side and are walking distance from the ocean side beaches. The bay is calm, warm and great for small kids.

Here is a previous thread that explains poolproof. It is essentially expensive borates. Go to dudadiesel.com for your boric acid and save your money.

I have had a good experience with cellulose and have been using it for about three seasons. I find it filters better than DE, evidenced by very few particles visible by the pool lights at night, but your filter may need more frequent back washing due to this. It is safer to work with since it is...

Re: Why so much hate on pool store's water test? I think a lot of the misinformation handed out and used by pool store retailers comes from the chemical manufacturers and distributors. Much of the retailer's understanding of pool chemicals and their relationship to one another is taught by the...

I've had a similar problem. The only simple solution I could come up with is pointing my inlet directly across the pool rather than pointing the inlet to cause the water to move in a circular fashion. This sort of causes the water to hit pool wall and roll down instead of hitting the pool wall...

Hello Rich, based on TFP principles you should not use Cal-Hypo regularly as it adds calcium, raises PH and alkalinity. Liquid chlorine changes the chemistry of your pool the least (adds some salt) when it comes to disinfectants. It will raise PH slightly when added, but will lower as it is used...

Yes the November numbers were just before I lowered the water to below the inlet. May numbers were _before_ I added water to the pool. There was no water of any kind added to the pool between November closing numbers and May opening numbers. If I did add 12" to 16" inches of water it could not...

I bushed prior to filtering to mix the water a bit to see what the condition of my water was after 7 months of sitting under a cover. No water from rain or snow infiltrated the cover as the water level was the same 2" below the inlet.

Hello all. Glad to be back here and I see the forum is buzzing! Overall I have had a pretty uneventful opening this season since closing the pool last season according to the advice given here. But have a few questions regarding my opening test results. The water was a tad cloudy right after...

For those near the Nassau/Suffolk border on Long Island, Twin County Pools Conklin St. Farmingdale has 15%~17% liquid chlorine @3.75 per gallon. You will need your own carboy or purchase one from them. Their chlorine always seems to be at or greater than 15%.

Very powerful controllers. If you could sideload software onto it lots of possibilities.

Very cool. If you are compiling your own software and building controller boards than this article will provide you with some hardware basis or ideas for your project. I am a systems engineer and find this stuff very interesting. Please PM me with some details when you have your prototype laid...

Adding to Richard's thoughts... Take a look at this product for insulating the cover Reflectix 16 in. x 25 ft. Double Reflective Insulation with Staple Tab-ST16025 - The Home Depot. I've wrapped my Hasa Liquidator which in mid summer is in direct sunlight for about 5 hrs per day and keeps the...

Are you using off the shelf software or scripts? Just curious. I'm pretty sure you will need some type of serial interface between the software and the pump. Richard Kinch in this article appears to have done some extensive research and work in automating pool controls using Linux and serial...

Many will use the tablets when away from home for a few days or away for vacation. You'll need to monitor your CYA when you do use them.

Have you cleaned your filter post swamp?

I am not sure how to test the gauge but if the gauge is suspect I would replace it. It is a critical item to help monitor your filter and pump. It is relatively inexpensive and can be found at TFTestkits.net The manual makes sense in that if water were to sit in the valve and were to freeze...

I have an above ground pool with some similarities so I will do my best to address your questions. We have some cold winters here but not nearly as brutal as ND. If when your pump is off and the gauge does not read zero it is an indication of a failed gauge. Is this the case? 1. From what I can...

Yeah the pushing the test kit seems cultish. I think its passion on the part of the community due to exprience. Its like any work you may do. Tools and proper use of the tools is 80% of the job. Once you have the kit and use it in conjunction with pool math you'll understand in a few weeks.

I do all of the above. I lower the water 6" below skimmer/inlet and cover the skimmer intake facing the pool with a metal cover that has a foam backing and plug the inlet. I have PVC piping so in addition I rinse all the pipes with clean water and blow out all with a shop vac. Then use either...

priceless...I love this place

This appears to be the right product (sodium hypochlorite) according to the "more information" tab but I cannot figure out what the concentration is. The pdf mentions 10mg per liter and 3mg per liter. Sodium hypochlorite will degrade over time and more quickly if not stored a in cool and UV free...

I have extensive experience with Hitachi's enterprise Storage Area Network (SAN) and some of their consumer level products and they rock. We throw the kitchen sink at this SAN and it keeps chugging along. They have the unusual habit of sharing their technology with other companies. EMC can no...

I have also been using EcoKlean for about three months now and am quite happy with it so far. It was a very noticeable and positive difference in the clarity of the pool for me. I see noticeably less particulates visible in front of the lights at night (This used to drive me crazy). After a...

This topic has been covered many times in the forum over the years. However it is in the news again in the Philadelphia area. http://philadelphia.cbslocal.com/2015/08/13/health-parasite-chlorine/

Found this info on an earlier post by hank59 and started buying from this pool store ...hat tip to hank. Twin County Pools in Farmingdale, NY sells 15% liquid chlorine for $3.75/gal. Pool math confirms at least %15. They get deliveries daily during the summer months. You will need to bring your...