Sera CO2 Test size-small ZN1020 - The ZN1020 incorporates

ZN1020 - The ZN1020 incorporates 2 by 3 watt white LEDs plus 1 by 3 watt blue LED to produce a colour temperature 1200K and 200 lumens

Suitable for glass up to 10mm

the Scorpion Light consumes nearly 80% less energy than a conventional night light

Monitor and test regularly to maintain optimal iron levels for healthy plant growth

The hanger style diffuser does not disturb the view and is designed for frame-less aquarium tanks made from 5mm glass or less

Sera CO2 Test size-small ZN1020 - The ZN1020 incorporatesCO2 is among the most important nutrients for aquatic plants. Deficiencies can therefore have severe consequences. The sera CO2 long term indicator was developed for permanently monitoring the CO2 level in the water. The reagent container is easy to hide inside the aquarium, the correct CO2 level is easy to read off. Sufficient for approx. 90 fillings.