ProFix 2.5 Gallon - Quick Fix Pond Cleaner
This Size Has Been Discontinued by the Manufacturer but a replacement product that contains the exact same ingredients at the same concentration is now available - SupaClear Pond Clarifier from SuperNatural
If you have fish in your pond, always have a backup pump or aerator operating. If your main pump ever fails, having a backup will maintain adequate oxygen levels until you can replace it.