How long is the drying time.sprayed the fish pond ( second time)when can I safely put the fish back into the pond?

It all depends on how thickly you applied it but 24 hours should do it.

Someone complained that it came out in a stream, I need it to spray, to use on roof, does it spray? And how much coverage? And how warm does it need to be, if I take it from inside(warm) to outside(cold roof) ????

Like many of these kinds of products, you shake it first. The stream is fairly narrow - the kind you need to run along a seam or some similar application (not a fine spray like a window cleaner). Personally I like the Flex Seal a bit better as it applies a bit for thickly than the Rust-Oleum. Can remember the exact temp requirements but something above 50 degrees F. as I recall. One 11 oz can will do maybe 30 to 40 feet of metal seam, window trim, or related apps. Possibly a bit more if you move along quickly.I thought I'd add the note that for wider area applications (I've had leaking metal roof issues) you might want to try "Thru-the-Roof" which comes both in tubes and quart/one gallon cans. Then the liquid is applied by paint brush from the cans. This works best for large areas.

Can this product be used to waterproof a tile/grout shower?

Yes. Have an upstairs 30" x 30" tile shower with fiberglass pan that started leaking (not from drain but from somewhere up the walls.) Could see leak from downstairs ceiling (opened up ceiling to find leak source and repair ceiling damage). No obvious cracks in tile grout or in the caulking where the tiles met the pan. The tile job is old and not high quality (previous owner). Sprayed a few thin coats of the clear sealant and the leak reduced. Ended up using two cans on walls in multiple coats to eliminate leak. Suggest washing/scrubbing walls with distilled vinegar and rinsing well before spraying to remove soap buildup so sealant will adhere to tile/grout better. Sealant went on like spray paint (did not experience any globs as noted in other comment). Keep the can moving before and after you press the nozzle to avoid uneven saturation. Cannot really see final coating over tile after drying. Maybe not suited for a high-gloss, fancy tile job but great for a standard bath tile where you are hoping to get more years of utility before a remodel.

Brand	Rust-Oleum
Color	Clear
Finish Type	Matte
Size	11 fl oz (Pack of 1)
Item Volume	11 Fluid Ounces
Special Feature	Fast-Drying, Waterproof, Fade Resistant
Unit Count	11.0 Ounce
Paint Type	Spray
Specific Uses For Product	Filling and sealing leaks and cracks on various surfaces including gutters, roofs, flashing, ductwork, PVC, masonry, concrete, and more
Surface Recommendation	Roof
Indoor/Outdoor Usage	Outdoor
Item Form	Spray
Included Components	12-Ounce Seal Spray
Is Waterproof	True
Model Name	Stops Rust LeakSeal
Package Information	Spray
Color Code	No Color
Coverage	8 sq. ft.
Water Resistance Level	Waterproof
UPC	020066218751
Global Trade Identification Number	00020066218751
Manufacturer	RUST-OLEUM
Product Dimensions	2.62 x 2.62 x 2.62 inches
Item Weight	10.9 ounces
Department	Unisex-Adult
ASIN	B00AGZ0MUW
Item model number	265495
Is Discontinued By Manufacturer	No
Date First Available	December 2, 2012

Rust-Oleum 265495 LeakSeal Flexible Rubber Coating Spray, 11 Ounce, Clear

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