These things are great for algae control. If you google them you will see. There is a research company that said they are the best hermit that they have ever tested. These will be hand picked the morning of the show to assure no empty shells. These guys are nice size They will be pre packed in plastic cup with your name on them to assure a smooth transaction
THIS PRICE IS A PRE SHOW PRE ORDER PRICE AND WILL BE MORE AT THE SHOW so order yours ahead of time.