5 Mistakes that Kill Fish

Building a beautiful low-tech aquarium isn't about buying the most expensive gear—it’s about avoiding the bad advice that has plagued this hobby for decades. Use this checklist as your "reality check" before you make your first purchase.

Digital file•1 file•By Audrea Cook

Freshwater Foundations

Build a thriving aquarium with 25 years of hands-on experience as your guide. Freshwater Foundations is a practical, no-nonsense roadmap for beginners and struggling hobbyists. I’m not a biologist—I’m an expert hobbyist who has spent a quarter-century perfecting the craft. I’ve distilled decades of trial and error into a clear guide that cuts through conflicting online advice. Smart Setup: Selecting the right tank, filtration, and heating to avoid "beginner traps" and save money. Practical Cycling: A simplified, step-by-step guide to the Nitrogen Cycle and preparing water safely for fish. Maintenance Made Easy: Establishing routines that keep your tank pristine and stable without it becoming a second job. Water Wisdom: Learning to "read" your water and fish to spot issues before they become emergencies Substrate & Decor: Choosing materials that support long-term biological health.

Course•By Audrea Cook

Safety Net Session

Coaching•By Audrea Cook