The Forbidden Aquarium Hacks

The $3 fixes they replaced with $60 products.

Every trick the fish store had no incentive to teach you. The cheap fixes, the workarounds, and the products you can stop buying tomorrow.

• ✓17 things the fish store will never tell you
• ✓The $3 fix that replaces $40 nitrate removers
• ✓The products you can stop buying tomorrow
• ✓Simple substitutions that save $400+ a year
• ✓Why 'aquarium safe' branded products aren't special