Dr. foster and smith is free shipping after 49 bucks, and you can get 200 gallons worth of salt for 54 bucks.
Saltwater Aquarium Salt: Aquarium Systems Instant Ocean & Reef Crystals Synthetic Sea Salt
Saltwater Aquarium Salt: Aquarium Systems Instant Ocean & Reef Crystals Synthetic Sea Salt
25% off salt would be a good deal. I can't find it cheaper locally and if I order online the heavy weight charge eats up any cost savings.
PS - Markkazdad this is off topic, but I did finally get my bigger tank. Working now on getting it ready to move into the house.