Contains 3 submersible dispensers and 3 packs of 180 day refills of specially formulated water cleaner which works to keep stock tanks clean. Use each dispenser plus one refill treats stock tanks of any size up to 500 gallons daily for up to 30 days. Please note: If you fill your stock tank with more than 500 gallons per day, multiple dispensers will be necessary. Remember to change your PRO formula EVERY 30 DAYS by exchanging the used packet with a new refill packet.

• Treats water from 5 gallons to 500 gallons. You will need more than one dispenser if your tank is more than 500 gallons.
  
• Weight: 1.03 lb.

DIRECTIONS:

Unscrew dispenser cap
Place one biobag into the dispenser
Screw cap back tightly into place
Place weighted  side down into stock tank
Remove every 30 days and replace biobag refill

FOR BEST RESULTS:

1 biobag treats up to 250 gallons of water daily , for 30 days on a 24/7 basis
DO NOT use chemicals such as bleach  to clean fountain or tank
For tanks over 250 gallons add an additional dispenser