EasyDisc R2A Test
Heterotrophic plate counts in 5–7 days
- No equipment, autoclaving, or agar preparation
- Results in 5–7 days when incubated at 20–28°C
- Easy-to-count blue colonies, designed to correlate with the pour plate method (SM 9215) using Reasoner’s 2 agar1
- Published by ASTM International as Standard D8516-23
Easy-to-use platform reduces waste and improves workflow
- 18-month shelf life eliminates waste and improves workflow
- 1-minute hands-on time
- Reduced QC
- Available in 25-pack and 100-pack configurations
Easy to run
Step 1. Remove lid and add 1 mL sample to the EasyDisc R2A plate.
Step 2. Gently swirl the plate to distribute the liquid, replace the lid, and incubate at room temperature for 20 minutes.
Step 3. Continue incubating at 20–28°C for 5–7 days.
Step 4. Count all colonies.
Frequently asked questions
Yes, the base and lid are both sterilized. There are 25 plates per plastic sleeve. Any unused plates should remain in the bag and the bag should be closed. Do not leave any unused plates exposed to the environment.
The clear bottom portion of the plate is made of polystyrene #6 and is recyclable. The white cover/lid is made of low-density polyethylene #4 and is also recyclable.
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Product number: 98-0013457-00
Catalog number: WR2A25
Product number: 98-0013456-00
Catalog number: WR2A100
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IDEXX Laboratories, Inc.
One IDEXX Drive
Westbrook, Maine 04092 USA
1. 9215 Heterotrophic plate count. In: Baird RB, Eaton AD, Rice EW, eds. Standard Methods for the Examination of Water and Wastewater. 23rd ed. Washington, DC: American Public Health Association, American Water Works Association, Water Environment Federation; 2017.