- Lighting for Refugium
- Bubbles in\on my sand
- Sand bed life
- sand and rock Dr. S
- dark spots in sandbed
- Mixing finer sand with a coarser grade...
- Algal Choice for Optimium Nutrient Absorption for HOTB Refugium?
- Refugium lighting: 24/7 or RDP
- Sandbeds can KILL????
- Setting up a Refugium
- Refugiums
- Sandbed Swap Article