On the very rare occasion that there has been a break in the rain this season, I'm getting back to my Spring and Summer grilling/smoking routine. For some reason the last two times I've grilled fish, the texture has been rubbery. Happened once with salmon fillets, and then again last night with some cod. I've been grilling fish for as long as I can remember, and normally it's just as flakey and good as you could want it to be. I can't tell that I'm doing anything different now than I've ever done before, but clearly something is amiss. Am I overcooking? Undercooking? Cooking too fast? Too slow? Any help?