Mark Valderrama

Mark Valderrama

Professional aquarist involved in the fishkeeping hobby since 11. Lead technical editor of Freshwater Aquariums for Dummies and Saltwater Aquariums for Dummies 3rd edition. Featured on MSNBC news, Slate, and Huffington Post.

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Professional Aquarist - In The Hobby Since Age 11 - Austin, TX
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Mark Valderrama