OptiMax 500 Aquarium Pump by Oase (Uk) Ltd JägernDorfer Clear Waters is an effective

Clear Waters is an effective treatment for blanket weed in ponds

The BiOrb Pearls are inert and will not alter the pH of the water making them suitable for both freshwater and saltwater installations in aquariums other than BiOrb

All the tests are liquid drop tests from a callobrated dropper bottle so all the drops are the same size

Not only is this filter highly effective

OptiMax 500 Aquarium Pump by Oase (Uk) Ltd JägernDorfer Clear Waters is an effectiveThe OptiMax range of pumps from Oase satisfies all the requirements imposed on the modern aquarium pump: The pump is ideal for efficient water circulation or for operating an aquarium filter, and it's compact size and quiet operation make it ideal for smaller aquariums. The low energy consumption of the pump saves electricity, keeping running costs to a minimum. The OptiMax aquarium pumps are robust and have a long service life; all of them have an