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EasyDisc YEA Test

Heterotrophic plate counts in 44 hours

  • No equipment, autoclaving, or agar preparation
  • Results in 44 hours when incubated at 36°C and 68 hours when incubated at 22°C 
  • Easy-to-count blue colonies, designed to correlate with ISO 62221
  • Published by ASTM International as Standard D8516-23
  • Received NF Validation by AFNOR Certification, reference number IDX 33/09-03/22.
     

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Gloved hand demonstrating how to use the IDEXX EasyDisc platform.

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-count and 100-count configurations
     

Learn about the EasyDisc platform

Easy to run

 
Step 1 of IDEXX EasyDisc process

Step 1. Remove lid and add 1 mL sample to the EasyDisc YEA plate.

Step 2 of IDEXX EasyDisc process

Step 2. Gently swirl the plate to distribute the liquid, replace the lid, and incubate at room temperature for 20 minutes.

Step 3 of IDEXX EasyDisc process.

Step 3. Continue incubating at 22°±2°C for 68±4 hours or 36°±2°C for 44±4 hours

Step 4 of IDEXX EasyDisc process.

Step 4. Count all colonies.

Frequently asked questions

The shelf life is up to 18 months from date of manufacture.

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.

Water samples are incubated at 22°C (±2°C) for 68 hours (±4 hours) or 36°C (±2°C) for 44 hours (±4 hours).

Check with your local, state, and/or federal authorities for proper disposal of bacteriological biohazard materials at your facility.

Resources and tools

Tests and accessories

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Product information

EasyDisc YEA Test (25-test pack)
Product number: 98-0013453-00
Catalogue number: WYEA25
 
EasyDisc YEA Test (100-test pack)
Product number: 98-0013452-00
Catalogue number: WYEA100
 
IDEXX-QC HPC/TVC Kit
Product Number: 98-29006-01
Catalogue Number: WQC-HPC

Resources

IDEXX Water has reference materials and approval documents to support the many products in our water portfolio. Find the document(s) you need by selecting the link below.

Search the Reference & Regulatory Documents tool

Water Customer Support

South Africa Headquarters
IDEXX Laboratories (Proprietary) Limited (SA)
57 Forssman Close
Barbeque Downs, Kyalami

Tel: +27 11 691 8200

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ISO Certifications

Locations and ISO Certificates


†Heterotrophic plate count (HPC) is also referred to as total plate count (TPC) or total viable count (TVC) in some regions.

Reference

1. International Organization for Standardization. ISO 6222:1999. Water Quality—Enumeration of Culturable Micro-Organisms—Colony Count by Inoculation in a Nutrient Agar Culture Medium. Geneva: International Organization for Standardization; 1999.