It's food grade. A lot of us use it. Cheap too. Walmart and others carry it in the canning section of the store.
Sent from my iPhone using Tapatalk
__________________
Don
Reefing since 1993
Current Tank info: 125 gallon DT , 125 gallon basement sump. Rw 15 & Rw 8. Panworld 150ps return. Reef Octopus 150 skimmer, 3 165w mars aqua led.
|