White deposits on outside of spa and waterfall

abradleydvm

Gold Supporter
Bronze Supporter
Jul 28, 2019
63
Denison , tx
Hello all . I follow TFP methods ... you should be able to view my numbers on pool math and my signature should have my pool specs .... I’ve not ever had the deposits on the outside of the spa before ( just on the spillover ) . I would appreciate any and all advice . 😊
 

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ajw22

Gold Supporter
TFP Guide
Jul 21, 2013
28,491
Northern NJ
Pool Size
35000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Pentair Intellichlor IC-60
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JamesW

TFP Expert
Mar 2, 2011
27,649
Water is seeping from the tub through the wall.

It could be from the tile, plaster or plumbing.
 

abradleydvm

Gold Supporter
Bronze Supporter
Jul 28, 2019
63
Denison , tx
I assume this means water balance is not the problem and this is a structural problem ?

Is this a normal problem for hot tubs made with stone?



Should I call the pool company ?
 

cowboycasey

Gold Supporter
LifeTime Supporter
TFP Guide
Jul 3, 2013
8,647
Southern OK
Pool Size
15000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
CircuPool SJ-40
gunite, plaster, tile and grout are not waterproof, they let small amounts of water through constantly... When stone is done like that it should have 1 or 2 layers of waterproofing done under the stone to prevent efflorescence..

Until it is fixed it will look like that... You may use some CLR to see if you can get some of it off but it will return... I would not do anything until the builder see's what is happening and comes up with a solution..
 
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cowboycasey

Gold Supporter
LifeTime Supporter
TFP Guide
Jul 3, 2013
8,647
Southern OK
Pool Size
15000
Surface
Vinyl
Chlorine
Salt Water Generator
SWG Type
CircuPool SJ-40
Just read this great info from John Bridge tile site :)

 
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