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Starter Setup

By finatics_dev / November 17, 2025

Tank, filter, heater, substrate—plus friendly setup guidance.

Water Testing

Aquascaping

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Under The Sea Aquatics is your one-stop aquatic pet shop for marine and freshwater fish, invertebrates, and all aquatic essentials. At Under The Sea Aquatics, we bring underwater life closer to your home with quality products and expert tips. Shop a wide range of marine and freshwater fish, invertebrates, and aquatic plants at Under The Sea Aquatics — along with everything you need to create and maintain a thriving aquarium.

45 Scott St W, St. Catharines, ON L2R 1E1

+16477005740

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