anyone heard of red guard as a sealant? I need to fix a leak in concrete in the fish pond

[texmaster]

Hi Folks,

Oiy another leak in my concrete pond. Always in the same place. Normally I treat it with Goop and its good for 2-3 years but if this stuff is safe for the fish and can be permanent I'm all for it!

Any thoughts?

 

[Meyer Jordan]

Is this leaking due to a crack?

 

[texmaster]

that would be my guess since I've caulked it up in the past and it lasts a few years.

 

[DrCase]

Some guys use it too seal the rock board in showers before they tile it around here
If it's safe for fish I don't know

 

[Lisak1]

http://www.custombuildingproducts.com/media/740638/msds__redgard_waterproofing_english_08212012.pdf

"May cause long-term adverse effects in the aquatic environment. "

 

[texmaster]

Thanks @Lisak1

My next thought was Xypex Concrete