Montipora: The Easiest SPS to Start With
Montipora is the most common first small-polyp stony (SPS) coral, and for good reason. It grows fast, comes in bright colors, and forgives more than most SPS. If your soft corals and LPS are thriving, Montipora is a natural next step.
Is your tank ready for SPS?
SPS corals need more stability than softies or LPS. Before adding your first Montipora, your tank should be stable for several months, with steady alkalinity and regular testing. Most reefers wait until a tank is at least 6 months old.
Common growth forms
- Plating Montipora: thin, flat plates that spread outward. These handle lower light than other forms.
- Encrusting Montipora: grows as a thin layer over rock.
- Branching Montipora (digitata and similar): finger-like branches that grow upward. These usually want more light.
Lighting
Most Montipora do well around 150 to 300 PAR. Plating types can grow in lower light, while branching types color up best higher in the tank. Acclimate slowly; a sudden jump in light can bleach SPS quickly.
Flow
Aim for moderate to strong, random flow. It keeps detritus off the surface and delivers nutrients. Plating Montipora can collect debris on top if flow is too weak.
Water parameters
Keep these steady:
- Alkalinity: 7 to 9 dKH, with daily swings under 0.5 dKH
- Calcium: 400 to 450 ppm
- Magnesium: 1,250 to 1,400 ppm
See our full guide to reef tank water parameters and shop water testing supplies.
Pests to watch for
Montipora-eating nudibranchs are tiny, white to tan slugs that leave pale patches of eaten tissue. Look for egg spirals on the underside of plates. Dip every new Montipora and inspect it closely before adding it to your tank.
Placement and growth
Montipora can grow quickly and shade corals below them. Give plating types room to spread, and trim branching types as they grow.
Browse our Montipora collection and all SPS corals.
