Dr Tims First Defence H2o - Freshwater Size:240ml The mechanical pre-filter action reduces

The mechanical pre-filter action reduces detritus in the sump

Strainer cage protects impeller and assures continuous suction

Media baskets

First for AI with the Prime Fuge LED that is pecifically directed and designed to grow microalgaes

The HeliaLux Spectrum makes the colour channels white

Dr Tims First Defence H2o - Freshwater Size:240ml The mechanical pre-filter action reducesDrTim's First Defense was developed to help fish adapt to new environments by assisting the fishes' natural immune system. Environmental Changes Cause Fish Stress Changing the environment of a fish causes stress that robs fish of essential nutrients and can weaken their immune system. First Defense is scientifically designed to provide stress relief and support the immune system, helping fish cope with stress due to bagging and shipping from the store