Carlsbad Aquafarm President Thomas Grimm, right, checks the progress of some of the aquafarm’s products with Operations Manager Mark Smith.

Carlsbad Aquafarm President Thomas Grimm, right, checks the progress of some of the aquafarm’s products with Operations Manager Mark Smith. Photo by Melissa Jacobs.

Thomas Grimm is a familiar face at local farmers markets, but few people beyond Carlsbad know that a good portion of the oysters, clams and mussels on their dinner plates come from a company he operates in a Carlsbad lagoon...

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