Formalin-MS 32 oz.
$16.99 (as of September 11, 2018, 12:08 am)
- Description
- Amazon Customer Reviews
Description
An old stand-by. 37% formaldehyde solution. Excellent treatment for external parasites. Use 1 teaspoon per 90 gallons, 1 oz. per 500 gallons. Fresh or Saltwater use. For aquariums only.