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.
Try not to get the sealer on any tiles; if you do, it's not a big deal â just wipe the sealant off with an old rag. 4. Wait 5 to 15 minutes to allow the first coat to soak into the grout. Apply the second coat and wait another 5 to 15 minutes.