Summer is here and if you ship out a bunch of corals every week like I do, you're going to need to keep them cool. Ice packs from most shipping supply companies cost anywhere from $1.00 - .50 cents each, that means I used to spend a few hundred dollars per year just...
![Monday Archives: Making Your Own Ice Packs is Cool and Easy](https://reefs.com/blog/wp-content/uploads/2015/06/aquarium-ice.jpg)