To Shock ----- or NOT

[ivyleager]

Ditto. Last season, I only shocked twice...once after Memorial Day party with 25 guests (7 kids) and figured at least one peed in the pool. The other time was late season before closing. That's it. No need to shock if numbers are good.

CaryB

[chem geek]

I agree with everyone else. No need to shock. I didn't need to shock at all last year and maintained the water through the winter and will not shock to open this year as well. As long as CC <= 0.2, there's certainly no need to shock.

The main reason to shock after a large pool party or when children are present isn't just in case CCs develop, but in case there is any sort of accident that might introduce more bacteria or overwhelming amounts of ammonia or other material into the pool. Even with a measurable CC, time and sunlight will likely break it down so shocking is mostly for expediency and extra safety after heavy bather load.

Richard

[CarlD]

Ditto.
Shocking is a solution to a problem. If the problem doesn't exist, there's no need to shock. I personally shock in the Spring because I leave my pool untouched from mid-October to mid-April and all the Chlorine is gone...But I have a REASON to shock.

If your chems are balanced and maintained there is no reason to shock just to shock.

[Jakebear]

Thanks to all for your opinions, BUT......
What about the dead worms that have been removed throughout the winter and how about the bird poop that ends up on the mesh cover and then it rains and migrates into the pool????

Seems like this isn't much different than having a "solid" accident from a child which most of you have stated in the past-----"SHOCK, SHOCK, SHOCK, Better safe than sorry". "Kill the bacteria"!! Somehow I fail to see the difference.

[cleancloths]

Just vaccum them out, if they are not showing up in the chemistry then you are fine.

[chem geek]

I don't think you mentioned any of these additional items (worms, bird poop) in your original post so that may have influenced our responses. With all of that junk, yes shocking would be playing it safe, though if the CCs were near zero and with extended exposure of chlorine over a long period of time, the risk is low. I'm certainly not going to get in the middle of a domestic squabble!

Richard

[Watermom]

If it were my pool, I'd probably go ahead and shock. It certainly won't hurt and having peace of mind is a good thing. I'm not much into dead worms and bird poop. Yuck!

[Jakebear]

I don't think you mentioned any of these additional items (worms, bird poop) in your original post so that may have influenced our responses. With all of that junk, yes shocking would be playing it safe, though if the CCs were near zero and with extended exposure of chlorine over a long period of time, the risk is low. I'm certainly not going to get in the middle of a domestic squabble!

Richard

I guess I assumed that with a mesh cover and birds that fly ---- well, we all know what happens next. The worms --- not many, occasionally commit suicide and get sucked up when cleaning. I guess I would feel better if shocking so I appreciate the help. With the CYA at ~30, going up to 12 on the FC should be good.

[waste]

Thanks to all for your opinions, BUT......
What about the dead worms that have been removed throughout the winter and how about the bird poop that ends up on the mesh cover and then it rains and migrates into the pool????

Seems like this isn't much different than having a "solid" accident from a child which most of you have stated in the past-----"SHOCK, SHOCK, SHOCK, Better safe than sorry". "Kill the bacteria"!! Somehow I fail to see the difference.

Jake, while I don't think it's neseccary to shock without a CC level - if adding a couple of gals. of bleach will allow you to sleep better or keep you from being 'distracted' at work, shock the pool! As long as you don't have CC from the worms and other 'ick' that may have entered the water over the winter, you've sustained enough FC to deal with it (remember that the 'ick' doesn't 'spread/ grow' as well in low temps and that CL does a better job at lower temps). However, if for 'peace of mind' you want to spend $5, it's not going to hurt anything and you can start enjoying the pool without those nagging thoughts...

[hamop78]

Well the score is 7 "no need" and 2 "well maybe".

To avoid a "silent spring" I will spend the $5 for some extra bleach and make the "better half" happy. As the "winter" keeper of the pool, shut down, winter maintenance, and start up are mine. She will take over from there.

Thanks for all the opinions. At least I "won" ------- (till she reads this )