Dennerle CO2 diffuser ultra medium Water lily pH is the measure of

pH is the measure of acidic or alkaline conditions in water

desired calcareous algae and other organisms results in calcium depletion

The Redfield ratio is usually used to decide on the correct ratio between nitrate (NO3) and phosphate (PO4)

Boost the bacterial power of your aquarium with PolypLab Genesis Rock and reduce nitrate

colour and brightness level

Dennerle CO2 diffuser ultra medium Water lily pH is the measure ofCO2 addition device for freshwater aquariums For aquariums up to 200 liters Compact and clear shape made of shatter proof acrylic glass ceramic disc for very fine atomization For CO2 hoses with 4 mm inner diameter (6 mm outer) With integrated bubble counter