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I have had a pool deck full of people 2 consecutive days over the last few days so dirt could certainly be a possibility. I'm going to perform two OCLTs and get back to you with the results.

About a month ago I want away on business and came back needing to SLAM my now algaed pool for the 1st time in years. I brought the FC up to about 30 using a combination of liquid bleach and 4 pucks that I had put on the pool floor to cover some black algae spots. My CYA is at 60 so I was okay...

If you are interested in a review on a Jacuzzi/Hayward VSP, I just wrote one based on my recent experience with my Hayward pump going down after 10 years. Search under Jacuzzi JVS 185S and you should find it. I have a 1.85 HP model but I know they make a 2.7 HP model that may fit your needs...

My 10 year old single speed pool pump recently started to go south and I knew it was time for a change to a variable speed pump to save some money on my energy bill. Before my pump totally died I thought I should do some research on the main brands like Hayward and Pentair. I went to my local...

I have one so I guess I could give it a try. Thanks!

My son threw a AA battery into the pool, and it was there a while before leaking and leaving a stain on the pool floor. It's a regular alkaline battery and not a rechargeable one as maybe one is a different metal from the other. I hear Ascorbic Acid might help, but also causes staining. I...

My last SLAM did not pick up speed until I got ALL DEBRIS off of the pool floor. I ended up buying a KreepyKrauly pool vacuum and ran it everyday as part of my SLAM. It really did the trick and I turned the corner shortly after that.

As you stated, chlorine would come down or water would turn green. Chlorine came down and I'm back to my normal routine. Thanks for your support.

I think you misread, as my post said I keep FC at a 6 to 7. Either way, my reporting might not be consistent but the testing is. The only change in my reagents is a new bottle of R-0871. Nothing else has changed. My FC has dropped .5 in the last 12 hours which included overnight. The...

In SW Florida this time of year, it rains everyday for about 30 minutes in mid-afternoon. I normally have to put in 32 oz of bleach every other day to keep my chlorine in the 6-7 FC range. I haven't added a drop of bleach in four days. Over the last many days my FC has stayed at 7 although its...

I'm not hating on any swirl the tube fans, but spend the money for a SpeedStir. The results are way faster and certainly consistent. It's the best $40 I've spent since I took charge of my own testing.

pH 7.8 and TA hovers between 90-100

I have some reasons: #1-My wife has sensitive skin and she asked if there were any alternatives to chlorine. I really don't want to switch to salt to I thought this might help. #2-Secondly, I fight with keeping my Ph under 7.8 and have to put acid in my pool regularly. I thought Borates might...

Why does Boric Acid from DudaDiesel not raise TA? I guess not all Boric Acid's are created equal?

I want to take the plunge on Borates, but I went into Pool Math and using the Borax method of adding, the calculation for my pool raised my TA by 110! My TA is ok at the moment at 100. What I've read says get your TA down to the lower end of the scale before adding Borates. Even if I got my...

Weir door just brought me more bubbles. The ultimate solution was needing more water in the pool and the skimmer was sucking air. A little water from my hose plus a little rain and poof! Bubbles gone...

Thanks Marty. Are my fears about hurting the pump legit or is this all in my mind? I've heard that air in the system can be a real problem.

To my surprise, I have no weir door. I don't think I've ever had one, yet I've never had this problem of air in my system. I want to eliminate the weir door as a possible reason. I also know that it is better to have one installed to keep my system healthy. I don't see any brand names or...

I recently switched from an old 1 hp pump to a Hayward 1.5 hp model. Things seemed to be working fine but my water pressure was very low coming out of the returns. Pressure at the gauge was 25 psi. I then changed filters 4 days ago and now the water is coming out of the returns at max...

I'm not a mathematician, but could I ask how you arrived at this formula?

That's a really in depth article. I just have to make sure I have enough of the required chemicals and I'm going to give it a shot. Thanks!

When I bought my home I was told that the pool was 15x30 at 12K gallons. Years later I measured myself to find out my pool is 14x28 so now I'm clueless about volume being the pool slopes into the deep end. I saw on another thread that Pool Math had (has?) a volume calculator, but I don't see it...

I need to calculate gallons but I don't need that volume calculator on my version of Pool Math. I downloaded the paid version about a month ago. Is there any other method I can use? 14x28 with beveled corners gradual slope from 3.5 feet at 14 feet length to 6 ft at 28 ft length. I hope...

Thanks Joe. I always did wonder what to do when CYA measurement was between the whole tens....

I have had great luck using Walmart.com. The selection online is way bigger than any of their retail stores and many times shipping is free over $50. I buy first quality Pleatco cartridges from them at really good prices. Give them a try.

Thanks for the good word. I'll be at it before bedtime....

I conducted a beautiful first SLAM a week ago and my pool became crystal clear. We had a day of bad rain here in SW Florida and my FC went down to 1. I was away from home and lost a day to bring the FC back up. I got the FC up to to a 6 after 24 hours but the damage was done and algae showed...

While SLAMMING, or just as a general setting, should my valves for the skimmer and the bottom drain be open to 100% or maybe all filtration go to the skimmer just while SLAMMING?

I just signed on and immediately got the PoolMath app. Just being able to know what happens when you add chemicals is worth the price alone! The PoolMath app is a must have!!

Thanks. I should have known that being I'm a Premium PoolMath app user.