Brand new to the forum, but learned a bunch so far! My pool was filled last week and we are just putting in the finishing touches. Yesterday they installed my water feature...2 concrete bowls on two 18" columns that will overflow into the pool. I opened the valve to test them out today and everything looked great, except that water eventually starting seeping throught the bowl and leaking over the column. It is obvious to me that since these bowls will be full of water while they are operating, I will have to seal/waterproof the inside of the bowls to minimize any leakage.
My pool builder recommended a masonry waterproofer (used to waterproof basement walls, etc.). It's called Drylok Extreme Masonry Waterproofer. I also did a quick search on the web and found a highly rated clear sealant from Seal-Krete which dries on clear (I'm assuming it will not be as watertight, but I'm thinking it may be good enough). The finish of the bowls is very smooth and polished in look. I can post a picture once I figure out how to do so.
Does anyone have any experience with concrete bowls as a water feature, bird bath, etc. and if so, what have you used to keep the water from seeping through? Has anyone used any of the products I mentioned above and have any recommendations either way?
Thanks in advance!