Hikari Frozen Silversides - 12oz Flat Calcium & Alkalinity both valved casing blocks and

both valved casing blocks and the intake filter to help restore proper airflow and dependable continuous operation

Its colors are super saturated bright lemony yellow and sapphire blue

Helps adjust calcium

The compact six-inch diameter is designed for smaller aquariums but may also be used in larger systems where available surface access is limited

Two individually adjustable air outlets rated as 2 x 200 L/h

Hikari Frozen Silversides - 12oz Flat Calcium & Alkalinity both valved casing blocks andHikari Frozen Silversides 12oz Flat Hikari Frozen Silversides 12oz Flat is a premium Bio Pure frozen food made with whole freshwater silversides for larger freshwater and marine carnivores. These whole fish are configured for easy removal from the pack and can be fed whole to larger predators or cut into smaller pieces for appropriately sized fish. Hikari Silversides for Carnivorous Fish Silversides provide whole fish nutrition and are useful for