For optimum results,
flotation solution (Sodium Nitrate or Zinc Sulfate) should
have a specific gravity of 1.18 to 1.20*. Take the guesswork
out of compounding fecal solution with this economical,
easy to use hydrometer. (See
procedure)
. Hydrometer comes complete with unbreakable plastic cylinder.
35.00
*Sheathers
(sugar) solution should be adjusted to SG 1.25-1.27.
