- Start by troubleshooting the problem yourself; review and consider the troubleshooting factors
- If you need assistance to troubleshoot, contact a trusted expert in order to brainstorm
- Try to implement suggestions; re-run the procedure on an immunoreactive, positive control
- If you don't get staining, look for another positive control; repeat the suggested protocol
- If not successful, send the manufacturer your positive control for evaluation and ask for their reccommended protocol
- If not satisfied with the manufacturer's reccommendation, you may exchange or return the product
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