Gram Negative Mast Rings - 100pk non-perishable

Gram Negative Mast Rings - 100pk non-perishableHigh quality genuine M14 MASTRING S supplied in a great value pack of 100. These gram negative multi test rings feature 8 antibiotic impregnated tips: Ampicillin 10g Cephalothin 5g Colistin Sulphate 25g Gentamicin 10g Streptomycin 10g Sulphatriad 200g Tetracycline 25g Cotrimoxazole 25g This allows the simultaneous application of the equivalent individual antimicrobial susceptibility test discs. Use in conjunction with our bacteria cultures to test the

Marine Salt

home school experiments or anywhere lab facilities may be limited

Oxacillin 5µg

Mix with water to activate

If you need them for a specific date please put this in your order notes and we will ensure a sufficient shelf life

In-built pigment indicates solution's viability

we also offer powdered Malt Extract Agar and ready prepared Nutrient Agar and MRS Agar

Parafilm® M is resistant to many substances such as saline solutions

Cotrimoxazole 25µg

we also offer powdered MRS Agar

Tetracycline 30µg

We know from experience the blood is usually suitable for many school practicals past this date