Updated: September 14, 2025
Decorating your aquarium doesn’t have to be complicated. Follow these simple steps to create a safe, attractive environment your fish will love.
Step 1: Choose a Theme
Decide whether you want a natural look with rocks and wood, or a fun style with castles and ornaments.
Recommended:
Penn-Plax Castle Aquarium Decoration
Step 2: Add Substrate First
Lay down gravel or sand before adding decorations. This gives stability and prevents ornaments from shifting.
Step 3: Place Large Decorations
Add larger pieces like shipwrecks, logs, or trunks first. These create structure and hiding spots.
Recommended:
Penn-Plax Shipwreck Aquarium Decoration
Step 4: Add Plants
Use artificial or live plants to provide cover and reduce stress. Position taller plants toward the back for depth.
Recommended:
Penn-Plax Aquarium Background Plant Set
Step 5: Final Touches
- Leave open swimming space in the center
- Avoid sharp edges that could injure fish
- Rinse all items before adding them to the tank
Bottom Line
A balanced aquarium layout combines structure, hiding spaces, and open water. Start simple, add gradually, and always prioritize your fish’s safety.
Disclosure: As an Amazon Associate, I earn from qualifying purchases.