How Clear is Clear Supposed to Be?

[john.esher]

So tonight in honor of National Night Out I floated in the pool for awhile (until the mosquitoes drive me out) and made a discovery. The water I thought was clear, doesn't seem to be clear enough to see across the pool underwater.

Is this feasible for a pool my size, or am I dreaming?

Here it is this morning, looks clear from the top. Lost 0.2 ppm of FC last night and 0.6 the night before.

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[pabeader]

We usually say "Can you tell heads or tails on a quarter in the deepest part?" Since you are above ground, I would add, "While standing on the ladder"

 

[Texas Splash]

I would submit "yes" you should be able to see the length. I have a 40', and I can see extremely well down the length of my pool with goggles. I have no doubt for the clarity I could see much further if my pool was longer. Might need to look at two things: filtration (last time cleaned/backwashed, etc) or organics in the water which may be waiting on the opportunity to explode into full-bloom.

Perhaps consider posting a full set of numbers for is to review for you? And even though you appear to have done an OCLT, did you also ensure the following:

When performing the OLCT, remember that if must be done when the sun has dropped – no sunlight on the pool. About 8 hours total is recommended. Also, your FC level should be elevated more than normal. Starting FC could be close to your SLAM level, but no lower than 10. Anything less and you may not receive an accurate portrayal of FC loss (by percentage), even if it’s only 1 ppm.

Hope this helps.

 

[440dodge440]

I can see very well underwater from one end to the other (34'). I can also see the heads on the screws on the main drains in the deep end when standing on the deck (8' deep).

 

[Mike1162]

Are you wearing a mask? Do you normally wear glasses?

 

[pooldv]

Ha, yeah! That is my story! I can't see clearly across my pool in or out without my glasses on! I haven't tried putting my glasses on and going underwater for a look. Need to try that. But, it is a very clear blurry view across my pool underwater. I can't imagine my water being any clearer than it is. I have water pics in my build thread in sig.

Your water looks great!

 

[EVChargeGuy]

Any adult beverage?

 

[john.esher]

Any adult beverage?

Ha, not at that time, but shortly after!

I guess I need to clarify. I'm not using googles, don't wear glasses, and it's more of a haze or fog.

I'll try the quarter test this afternoon, and put goggles on. Just expected to be able to see more clearly.


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[JohnT]

The water/eye interface acts as a lens. Some people see better under water than they do out of the water. Some can't see well at all in the water. I can see perfectly in the pool with a mask on, but not so well when I surface.

 

[pabeader]

Just my .02 dollar. Could it be the salt water? I can't see very far underwater, in my gin clear,extra sparkly water.

 

[john.esher]

Well last night with googles on I could see everything. And it was tails on the quarter from the top of the ladder.


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[JohnT]

Well last night with googles on I could see everything. And it was tails on the quarter from the top of the ladder.


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I called tails! You're buying the next round!

 

[pooldv]

Whoot!