*Chuckle* I wondered if that stuff would work. I wouldn't buy it at the petcos though. I sell it through my fish website thing for $3.50 for a packet that makes a gallon of gel. If anyone wants any, I could probably slap a pack into a regular mail envelope for $4... You can make as little or as much as you want, and add any electrolites or anything that you want to the water before adding it to the "crystals" to make the gel.