Zobell Marine Agar 2216 (2216E Agar) | Marine Bacteria Culture Medium

Zobell Marine Agar 2216, also known as 2216E Agar or Marine Agar Medium (ZMA), is a dehydrated culture medium designed for the cultivation and enumeration of marine bacteria.
It provides a mineral composition similar to natural seawater, supporting the growth of heterotrophic marine microorganisms.

This medium is widely used in marine microbiology, environmental monitoring, aquaculture research, and marine biotechnology laboratories.

🔬 Product Features

• Suitable for marine bacteria cultivation and enumeration

• Seawater-like mineral composition

• Dehydrated powder for flexible preparation

• Stable performance and long shelf life

• For laboratory use only

📦 Product Specifications

• Product Name: 2216E Agar

• English Name: Zobell Marine Agar 2216

• Format: Dehydrated powder

• Packaging: 250 g / bottle

• Storage: Room temperature

• Shelf Life: 3 years

✅ Composition (per liter)

All ingredients are listed as requested. No functional descriptions added.

• Peptone – 5.0 g

• Yeast Extract – 1.0 g

• Ferric Citrate – 0.1 g

• Sodium Chloride – 19.45 g

• Magnesium Chloride – 8.8 g

• Sodium Sulfate – 3.24 g

• Calcium Chloride – 1.8 g

• Potassium Chloride – 0.55 g

• Sodium Bicarbonate – 0.16 g

• Potassium Bromide – 0.08 g

• Strontium Chloride – 34.0 mg

• Boric Acid – 22.0 mg

• Sodium Silicate – 4.0 mg

• Sodium Fluoride – 2.4 mg

• Ammonium Salt – 1.6 mg

• Disodium Phosphate – 8.0 mg

• Agar – 15.0 g

Final pH: 7.6 ± 0.2 (25 °C)

✅ Directions for Use

Suspend 55.2 g of the medium in 1 liter of distilled or deionized water.
Heat to boiling until completely dissolved.
Dispense as required and sterilize by autoclaving at 121 °C for 15 minutes.
Mix well after sterilization before use.