Hanna Marine Magnesium Checker® Reagents (25 Tests) (HI783-25) SaltwaterAdditions An intermediate color corresponds to

An intermediate color corresponds to an intermediate nitrite content

package size/volume: 4X100ml (3

it is an excellent feed for freshwater fish and invertebrates as well

measuring oxygen levels in just a few minutes and is scaled from 2 - 14 mg/L

A salinity drop by watching magnesium

Hanna Marine Magnesium Checker® Reagents (25 Tests) (HI783-25) SaltwaterAdditions An intermediate color corresponds toThe HI783 25 are the replacement reagents for the Marine Magnesium Checker HC HI783. These high quality reagents are manufactured in our state of the art facility and are clearly marked with the lot number and expiration date on each packet for traceability. Pre made reagents for ease of use Prepared with high purity chemicals Marked with expiration date and lot number for traceability