What maintenance does the Nexus require?
Ideally in summer under normal stocking levels a quick daily discharge of the central chamber is all that is required. This should remove most of the deposited solids. On a weekly or twice weekly basis it would be beneficial to totally drain the central chamber and flush out the remaining debris. If the Answer is fitted the only maintenance required is to monitor the Answer performance and clean the screen every few months to remove the build up of bio film. If the Nexus is used with the central foam block this needs to be cleaned at regular intervals depending on the pond conditions and stocking levels. The exit foam with the Answer fitted requires virtually no cleaning. It is fitted to filter out the sloughed off bacterial cells from the Kaldnes media mainly and to trap any particles smaller than 100 micron that have passed through the Answer. A more regular cleaning may be required if the Answer is not fitted.
