Juwel Filter Cover Stone Granite Plant Substrates it provides calcium

it provides calcium

the produced daylight spectrum supports plant growth

it states the hydrometer can be left in your tank and affixed with a suction cup

This in turn causes a “false high” carbon dioxide level test result

Installation Instructions:

Juwel Filter Cover Stone Granite Plant Substrates it provides calciumJUWEL filter covers allow you to disguise your Juwel internal filter easily and attractively. With its natural granite tones and distinctive rock structure, the Filtercover Stone Granite makes the perfect addition to the Stone Granite decorative range. Filter Cover Stone Granite 555 x 186 mm 555 x 157 mm 86923 The Stone Granite filter cover is a highly realistic image of a rock structure in natural, granite tones, which works perfectly with the Stone