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I'm convinced, and getting a little concerned now.

I like your chart. The one I have on my testing bench is a boring black and white chart. I'll experiment with 1,200 RPMs again. I stopped because we have a waterfall return, and lower speeds makes more a of trickling waterfall, and had a sound that seemed louder than the full flow.

Now that you mention it, I will do a OCLT tonight. I had considered the SLAM complete once I flocked, but I can double check with the OCLT. Thanks.

Yep. It's back up to 3.5 today. I'll try another store today for stabilizer. Is there a shortage of it or something? I'm supplementing with pucks until I find the stabilizer. Where I live in Hilo, the motto is "Hilo, where rain reigns." Sunny days are welcome, especially by our PV panels.

Right, I didn't do the OCLT. Before pouring in the flock in the evening, my FC went from a morning 3.5 to an evening 3.0 on a partly sunny day with CYA less than 20. I was satisfied enough to take a short cut with the flock and avoid running the pump for even more days.

Thanks, good idea.

I was slamming with 10% LC, though on one occasion, I put in 5 bags of dichlor hoping to get the CYA up some.

Thanks. Good to know this is gunk is normal. I'll mix it up to dissipate it more.

I used flocculant for the first time this weekend. I concluded a SLAM with cloudy water because the FC seemed steady and I didn't want to keep running the pump 24/7. The flock brought the water to crystal clear overnight. I vacuumed to waste, then again the next day because the flocked stuff...

Your last line hit it on the mark. On one inspection I noticed water spitting out of the basket lid when turning off the pump, or maybe it was from the fitting on that side, but the fitting was a little loose. I hand tightened it, inspected the o-ring on the lid, and turned on the pump. No more...

Yesterday I noticed significantly less volume of water returning to pool from waterfall, checked pump and there was a hissing sound and filter PSI at 30 (instead of normal 20). Water flow was at 60 gpm instead of normal 80 gpm. Turned it off and backwashed it. No hissing sound. Re-set to Filter...

Thanks Kimkats!

Hi all, I'm working with our health department to think of ways to get messages out to families and pool owners regarding water safety. I've looked at the national associations, and they have great resources, like videos and infographics and websites. I'm inquiring here if you have happened to...

Yep, I'll elevate and see what happens. The dust hasn't accumulated/settled in a day so far, but there's a little cloudiness. Nothing on the walls so far.

Moved from here. @Texas Splash I have a couple questions. If there's no OCLT for MA, does that mean it doesn't read on FC and CC tests? Because, if you've passed the OCLT then up it to MA levels....there's still MA in there? Also, do you know why MA has a minimum FC that is 3-4 ppm higher than...

There really isn't a shaded side of the pool, except morning and evening tree shade on different sides. This stuff has appeared on all sections of the wall at different times. It brushes off very easily, then clouds up, then settles into drifts on the bottom. It moves around with the slightest...

Reposting this from yesterday...I have struggled with mustard algae this year as well... First, a couple questions: - Does MA show up on the CC test? I've had the dust all this year, and even after brushing it up, I would still get 0.0 CC. - I saw somewhere (here?) a different FC minimum for...

I noticed in PoolMath when set to TFP.com goal levels, the TA Goal changes when the source of chlorine is changed between bleach and Tri-chlor, with Tri-chlor having a higher range. This isn't the case with the traditional goal levels. Just curious...why is that?

For 9 days I had our house sitter use pucks instead of bleach because it seemed easier. He put in about 1 puck per day. When we returned last week I kept using the pucks. I checked the numbers today and my TA has never gone this low before, and same with my pH. On Pool Math I noticed that...

Hi all, Having tired of watching my old Hayward Super II pump (SP3015EE) develop issues over the year I have decided to replace it. Amazon today shipped my new Pentair Superflo VS 1.5 HP (342001) and 2" pump unions. Did I read here at TFP that many pool owners do not bolt their pump mounts to...

Yes, I put myself out there! I switched to bleach months ago after those tabs got me into all kinds of trouble and I had to do a partial drain before a long SLAM process. With the test kit and knowledge of CYA effects, I'm hoping I can use some tabs just for the short-term.

After mucho rain this week and prolonged backwashes, my CYA has dropped to below 20 (can still make out a faint dot at 20). It was at 30 last week. I want it back to 30, as I have had to double my daily bleach dose since the first big backwash (1/2 gallon to a gallon or more). It was my dropping...

Thanks all for the tips and observations. However, I think I'm in over my head on this one. I thought it would be straightforward, but, in my attempt to remove pump, I not only broke the bolt but made the drip worse. And, the motor hasn't been operational since Saturday. I probably need to call...

OK, that eases my concerns!! I'll mix the pool up with bleach/brush to give me more time. RE: re-threading the in/out, will taking the motor off allow me then to life off the pump housing to re-thread??

I wanted to remove my pump because I wanted to re-thread both the in & out connections (some drips, shorting out my motor. Background: pumping station is on slope below/beside pool; Gravity to pump works even with motor off). Removing pump was only way to unscrew the in, which has a glued 90 on...

OK, great. I have my morning's mission! :rambo:

Cowboy: I didn't make the fix yet because I assumed your idea of the zip loc was to wrap it around the hose and secure with ties. Unless, you pictured the zip loc serving as a bag to catch the drips. That's not what you thought, was it??

It seems a bit tight to get in there to replace piping. It's between the filter and corner panel, which appears to be nailed on. Don't really want to rip those slats off. Maybe for now I'll cover it to stop the spraying and put a tupperware underneath to catch the drips, until the Plast-Aid...

I noticed the drip occurred only when jets were on. After accessing the piping and turning jets on, water sprayed out from the curve in the pipe, spraying to the left. I cannot see the hole as it is around the curve, but drew a red arrow to where I think the water was spraying from (see pic)...

I just went through this...1/3 drain & refill to reduce CYA, which was high due to massive use of trichor tabs and bags of shock, thinking that was the way to beat my algae. Then I found this Forum. My CYA was at 90, which meant I needed a shock FC of 30+, and those tabs and shock weren't...