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Thank you James! Regards, Bob

Hi Pat, Sorry to bother you. I tried to add some pucks in the FC fields for trichlor in the pool math calculator but it appears those 2 fields (by weight or volume) do not allow you to put an amount in. I must be doing something wrong. Is there a way to show how much it would affect the FC PH...

Thanks for the reminder that the CYA on the chart will rise due to adjusting with puck usage,,,,,Very handy tool. Thank you once again Pat! Best regards, Bob

Hi pat, Yes, water is crystal clear....could read a newspaper from the bottom if I weren't blind LOL! Will keep FC in the 4-6ppm range. Is it normal to test and chlorinate only 1x per day for maint. or should it be more frequent? and can I do that in the evenings as I am not an earl riser...

Good morning Pat, I passed the OCLT test this AM. Fc = 11.5, CC = 0.5. I have been reading a lot on this site about the "Maintenance" portion moving forward. I can't find anything about how many times a day I should test and adjust for FC to keep it at 8ppm moving forward on a daily basis...

glad you told me that Pat.....Yes, I need to move on and start this thing after I fix the filter ring leak. Thanks Pat.

I only have petroleum jelly. Will that work? Seems a s if the suction jandy valve to cleaner may be contributing, as when I tighten down the lever bolt, I see less air in the pump basket. Checked valve for cracks, but none. Do they have something inside that can cause air to get into it...

Ok...So now I have air coming out of the returns, and a leaking filter ring to deal with......I'm ready to fill this thing with dirt.....

Pat, Yes I am concerned that I may damage the others as they are 15 years old, however, if the threads have BA on them, the bleach can't get to them, correct? Bob

Glad to see you back Pat....Another hurdle introduced itself and I want to run it by you B4 restarting SLAM..... So assuming I am reading CYA level at about 30ish, I was getting ready to restart. If you remember, this whole thread started because of black algae a couple summers ago. This is...

Thanks for your input. I have read different takes on how to read.....Some like you describe (Don't stare at it), and others say you won't see the black dot even if you do stare at it....

Good Morning Pat. I have a question regarding the subjective nature of the CYA test. Testing this AM in bright sunlight, back to the sun, I am able to get a reading of about 30 or slightly more. However, I can still see the outline of the dot, but the black is gone. I believe its due to the...

Pat, Thanks for this. I found as well thru links, and even though it is somewhat "Subjective", I believe am am testing correctly. Today was not the best day to do testing here, as it was overcast with periods of "weak" sun filtering thru. Have a good night and thanks for all your advice and...

Pat, Sorry for the confusion in my comment about "Barely moved the needle"....That was my why of saying it barely affected the reading on the plastic tube scale from last night's CYA addition...... I have already let my FC fall as I wanted to get my CYA correct before dumping gallon after...

Hi Pat, I have a quick question......How long after you have squeezed all the contents of CYA from the sock and into a cloud of dust in the pool water, will it take to distribute in the water to get an accurate reading? I have been circulating the water for several hours after I added another...

Hi Pat, Today was another setback day. Thought I was gaining ground in that my FC was at 10.5 when I took it in the AM. However My CYA never increased and is still below 20ppm and the FC was quickly consumed. I spent the day buying additional bleach and CYA. I added a cup more CYA to the...

Pat, You are right....The filter has now gone up 4 PSI.....Tomorrow I will take apart and clean all 4 filters and put back in. So, how often should I test FC moving forward and adjust? Every 2 hrs, 4 rs, etc? Should I set my alarm clock to make sure I check and re-balance when I normally...

Hi Pat, I just got home and has been 12 hours since last testing and bleach addition (unfortunately it could not be avoided). I was shocked at how much FC loss there was. Additionally, The black algae is again visible. And, I now have a CC of 0.5ppm. Another mistake I made was mis-reading...

Hi Pat, Here is the latest FC readings and my actions: Last night 10pm FC = 8.5, added 5 cups Bleach to target 12 ppm. This morning 6am FC = 9.5, added 5 1/4 cups bleach. CC is still 0 so that's good. I will not have a chance to monitor today until late afternoon about 4-5pm. Will update...

From your mouth to God's ears! Will do and will keep my fingers crossed. Thanks and have a good night.

Pat, I will keep the FC at 10-12, bring it back up at about 10pm. Then I will do the OCLT tomorrow as well as add a bit more CYA if CYA test has not increased as Aftonjeeper suggested it may. I have yet to clean my filters yet and was wondering if it is necessary to pass (it has been over a...

Thank you for your response, and for pointing out Texas Splash's AKA name! Bob

Hi TS, Looks like I will have to start SLAM later today or tomorrow. My CYA is too low and I ran out of it (granular). So off to the store to get more as well as stock up on bleach. Below are the readings from this AM: FC = 10 CC =0 TC -N.A. PH =7.3 CH =250 TA = 110 CYA = 15 (ish...DOT is...

Hi TS, So you are saying that adding stabilizer to the skimmer will not disperse into pool water fast enough? Sorry for all the questions, but I guess I need to become a chemist to do this. I have always added to my skimmer as directed on bottle. Also, I have not cleaned my cartridge filters...

Wow, I think I remember why I couldn't pass the SLAM last time.....So I was going to add the CYA into my skimmer. Is that OK as I am not familiar with the sock method? Also, a few gates to starting B4 this Friday PM with a SLAM......1st, I have been fighting black algae for the past 2 summers...

Texas Splash, Thank you for the quick reply. My CYA target is 40, and my PH 7.4. I thought I read a FC recommendation of 2-3 always. Did I mis-read? Also, I will likely need some on-going support with SLAMing if you believe I need to do that? This is what I failed at miserably the last time...

Hi folks, I have changed the light and re-filled the pool. I want to start the pool up using TFP methods. I have taken the following readings, used the pool math page to calculate what I need to add. I would GREATLY appreciate if someone can check my numbers and math before I add anything...

Hi Folks, I (hope) I posted some pictures of the stains. An interesting note is that some of the staining seemed to dissipate as I swept with a stainless pool brush. However a lot did not. Bob

Folks, Looks like the majority is recommending jacks #2 for copper and scale. I will be offline until later today to finish the pool light and get the pool filled. I will get some flix and post the pictures later today and confirm the recommendation. Thank you all for taking time out of your...

James, Thank you for your advice. can you advise on a scale remover? I am afraid if I go into a pool store, they will sell me things that a pool should not ingest. Bob - - - Updated - - - Dirk, Yes, I only filled about 1 foot last night to dilute the bleach. Additionally, I am going to...