Opportunistic feeders, their diet varies from one region to another. In the Antarctic, killer whales eat about 67% fishes, 27% marine mammals, and 6% squids. Killer whales in the Bering Sea (near Alaska) eat about 65% fishes, 20% squids, and 15% marine mammals.
Even though your shower grout looks dry, using it too early or sealing it before it's ready may damage it, leading to premature failure. Most cement-based grouts require a cure time of 48 to 72 hours before applying a penetrating sealer.
Allow new grout. installations to cure for a minimum of 72 hours prior to application. Make sure surface is clean. and free of waxes and coatings. Sealer may be applied to damp surfaces one hour after standing. water has been removed. Surface temperature should be between 50Â°F and 80Â°F. Ensure that. the area is well-ventilated during application and until the surface is dry. Keep children and pets. out of the area until foot traffic resumes.