I bought these in April and have upgraded to Hanna checkers. Looking to trade. Will not split up. Each party pays their own shipping. What have you got?
Nitrate by NYOS is unopened.
Salifert Alk and phosphate both used for 3 tests each. Expirations are all several years out.
Nitrate by NYOS is unopened.
Salifert Alk and phosphate both used for 3 tests each. Expirations are all several years out.
