CaribSea LifeRock Donuts 4Pk – Reef Swim-Through Aquascaping Rock Skimmers Each optic is designed with

Each optic is designed with different lens depths for specific LEDs (red

LPS & SPS) – 2-3 ml per 100l per day

Calibration function for precise water changes

5 delivers improved performance

allowing your filtration system to remove them more efficiently

CaribSea LifeRock Donuts 4Pk – Reef Swim-Through Aquascaping Rock Skimmers Each optic is designed withCreate eye catching swim throughs and coral platforms with CaribSea LifeRock Donuts 4Pk, an environmentally responsible reef rock that delivers the natural look and biological benefits of live rock. Crafted from real aragonitic rock, LifeRock features extensive macro and micro porosity and is infused with spored beneficial bacteria to support efficient biological filtration from day one. LifeRock Donuts are designed to form instant caves, swim through