RareFish Frag Plugs are designed for serious reef hobbyists who want reliable, stable, and natural-looking mounting bases for coral propagation. Made from high-quality porous ceramic, these plugs encourage beneficial bacterial colonisation, support healthy coral growth, and remain completely stable and inert in saltwater for long-term use.

The top surface of each plug is intentionally rough and irregular, giving coral fragments an ideal texture for rapid encrusting and secure bonding. Their naturally shaped, subtly coloured finish helps them blend seamlessly into the wider reefscape once placed in the aquarium, avoiding the stark artificial look of many mass-produced alternatives.

Each plug includes a pin on the underside for easy organisation on standard frag racks. When it’s time to mount corals permanently onto rockwork, the bottom pin can be removed cleanly, allowing the plug to sit flush against the aquascape for a more natural integration.

For a complete and highly flexible fragging workflow, RareFish Frag Plugs are best used alongside Reef-Zlements Frag Gel-Glue and AquaScape Construction Epoxy . Using all three together gives you creative freedom to position, support, and shape coral mounts to suit different coral forms, rock textures, and aquascape designs, while still achieving a secure and long-lasting result.

Options Available

• 20 × Small Frag Plugs – 33 × 21 mm (oval top)
• 10 × Large Frag Plugs – 48 × 37 mm (oval top)
• 15 × Mixed Pack Frag Plugs – 10 × Small + 5 × Large
• Coral Fragging Essentials Pack – Mixed Pack Frag Plugs + D-D Epoxy + Gel Glue

Key Features

• Porous ceramic material promotes beneficial bacterial habitation
• Natural shape and colour blends seamlessly into reef aquascapes
• Roughened top surface encourages strong coral adhesion and rapid encrusting
• Stable, durable, and completely saltwater-safe — will not deteriorate over time
• Underside pin allows easy placement on frag racks
• Pin can be removed when affixing directly to rockwork
• Two sizes available to suit different coral types and growth patterns