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I think it looks pretty good. Did you pass the ? Sand filters take a little longer.

Welcome! :wave:

Welcome! :wave:

Welcome! :wave:

Can you look for another label on the MPV itself? Any other ID markings? Something like "SPxxxxxxxx"

I'll keep looking, but this may be one of those scenarios where the entire MPV may be better to be replaced. Depends on your MPV model. Some MPVs require the entire key & stem assembly to be replaced. The gasket is affixed to it already (I think). In some cases it's easier and cost efficient...

Less than one year leaking already? :scratch: We can dig around for a replacement part number, but curious .... have you reached out to Hayward yet? A spider gasket should last several years easy. Also, are you careful to shut the pump off before changing settings, and do you typically...

The one linked below looks about right, but I'd feel better letting @JamesW confirm. Stand-by ...

Lies all lies! ha ha. Welcome to TFP! :wave:

Welcome to TFP! :wave: Also see ----->

FYI - I re-opened the old thread since the pics can be helpful and combined the two threads. :goodjob:

I'm going to re-open this thread as the pics are important to describing your current skimmer issue.

You are referring to the ball valve under the skimmer correct?

Sorry, I should've posted this chart as well. Here you can clearly see that the FC can be much higher during an algae-removing SLAM process.

Welcome to TFP! :wave: I have to say, I'm not familiar with any such product that will remove CYA. What about you JD - @Donldson? Regardless, an FC of 15 is no problem at all if your CYA is 40 or more. It will fall soon enough on its own. See the chart below to illustrate. More than...

Sounds like the FC got too low. Even though you tried to bring it up, it may still be struggling. What is you most current FC and CYA readings as of today?

Between the pump and filter.

As for the pump, a little air is okay. You can check the pump lid o-ring to ensure it's still in good shape and has a good coating of pool silicone lube.

I looked at your poolmath log and your water chemistry may be the reason for your elevated filter pressure. Your FC should never be that low and you're CC is elevated. I suspect you have an share bloom happening. You should perform an to confirm. If you fail that test, go into the .

Looks like that is an old single speed. If you effect to just replace it, a new variable speed pump would be ideal and probably save you quite a bit of energy.

11 years is a long time, but the fix may be as easy as a new capacitor. You have one under the hump on top of the motor and may have another behind the rear motor cover. I would replace the capacitors first if you are handy at a little DIY.

Here you go. https://www.troublefreepool.com/threads/73192-Deep-Cleaning-a-Sand-Filter

@1poolman1 may confirm. I believe the center stand pipe is just tightly pressed in with no glue required. That way you can remove it later if you had to replace the entire lateral assembly. You see a gap at the top where the pipe goes in, but it should be tight inside.

Here you go. https://www.troublefreepool.com/blog/2019/01/18/opening-your-winterized-pool/

Appreciate the update. :goodjob:

Air is still getting in the there from somewhere. You probably have some 3-way valves before or after the pump. Now you may want to remove the handle toss and check the gaskets. Should be one for the handle lid and one on the actual valve handle stem itself. Some pics of your requirement pad...

Welcome to TFP! :wave:

Welcome back to another swim season! :swim:

No doubt you have iron as proven by the AA spot treatments and filling from a well. As for copper, perhaps there's some of that in there too? I'm not sure if that heater has a copper element or something else like titanium. Let's see what @JamesW can provide for us.

Also see ..... https://www.troublefreepool.com/wiki/index.php?title=Create_Your_Signature