In use since 1909, formalin solution is an effective way to control and prevent external parasites. Also controls fungi on fish eggs. NOT FDA-approved. Ships via Hazmat Ground. 1-gallon container weighs 8 lbs. Not for food fish.
Note: A completed Chemical Waiver Form is required to purchase this item. If you already have a Chemical Waiver Form on file with us, you do not need to fill out another one.
Cannot be shipped in temperatures below 40ºF.
International customers: Check with your customs agent to determine whether this product can be shipped to your country.