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Return Policy:

  • Returns must be requested within 10 business days of receipt.

  • A 15% restocking fee will be applied.

  • The damaged or missing products must be communicated to a Customer Service Representative within 48 hours of receipt.

  • Contact a Customer Service Representative at

  • Return freight paid by the customer.

  • A refund will be issued to the customer within 7 days of receiving the returned product.


Refund Policy:

  • Upon return, the product will be inspected by a quality assurance team member. If it is determined the product has been opened, defaced, or relabeled, Strong Microbials reserves all rights to dispose of the product and withhold a refund.

  • If the product is found to meet our return policy, a refund will be applied to your account, less a 15% restocking fee.

  • All deductions from the invoice require prior approval.






Quality Claims:

To maintain the highest quality and avoid possible infestation, always store the product in closed containers and follow storage suggestions on the product specification sheet. If the complaint is due to natural crop variance, we will not accept the return because it’s not a quality issue and cannot be controlled.


Claims Procedure:

  • Prior to sending any questionable product back, contact a Customer Service Representative for instructions.

  • Customer Service will file a claim with Quality Assurance on your behalf.

  • Quality Assurance will review your claim and we will follow up within 5 business days.

  • Quality Assurance may require a sample or picture of the product if a comparable lot is not available for review.

  • Return and/or credit are subject to approval by our Quality Assurance.

  • If the claim is approved, we will follow up with the credit and/or return instructions. The product must be returned in its original packaging and cannot be defaced or relabeled in any way.

Infestation/Foreign Material:

  • Contact a Customer Service Representative for instructions on how to proceed.

  • We may ask for the foreign matter or debris by sending a picture and a physical sample.

  • Strong Microbials does not take the infested product back.

  • Claims must be made within 10 business days of receipt.

  • Please do not destroy any product until your request is approved. This could result in forfeiture of credit.


Strong Microbials has full traceability and reporting on every lot shipped and received. We complete biannual mock recalls in preparation for an actual recall. If the product you’ve received is affected by an FDA recall, Strong Microbials will be in contact with you.

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