G minus-25-OD302-1PK is 8-in-one multi disc, referred to as an octo disc under HiMedia catalogue. It is designed for testing antimicrobial susceptibility of bacteria for 8 different antibiotics at a time. Each pack of OD302-1PK contains 10 flat circular rings; each ring containing 8 equidistance arms at the periphery. At the end of the each arm, there is one antibiotic disc with 6mm diameter. Each disc is saturated with a different antibiotic and the concentration and symbol of the respective antibiotic printed on it. Each disc is at least 24mm apart from the other disc. G minus-25-OD302-1PK octo discs are ideal to test Gram Negative bacteria. OD302-1PK disc can fit on 120 mm media plates. Generally used on Mueller Hinton Agar plates.

Composition G minus-25-OD302-1PK:

Ampicillin (AMP) 10 mcg

Amoxicillin /Clavulanic acid (AMC )20/10 mcg

Cefoxitin (CX )30 mcg

Ceftazidime (CAZ) 30 mcg

Ceftazidime /Clavulanic acid (CAC) 30/10 mcg

Doxycyline Hydrochloride( DO) 30 mcg

Aztreonam (AT) 30 mcg

Co-Trimoxazole (COT) 25 mcg

Storage and shelf life: It is advised to store the discs always at -200C after opening. The disc loses its stability at higher temperature (450C).