Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.
I have seen playsand in freshwater stingray tanks, but I dont recommend you to use the playsand, use aragonite sand. it can get really pricey but look around there are people who are pratically giving away sand lol like me i have sand that used in my stingray tank not playsand that i can give...