Hydra, member of the Cnidaria phylum and very similar to corals, can be turned inside out and within a short period of time the cells reorganise back into the original configuration.
The air flowrate through a Stockman style of standpipe needs to be adjustable to ensure that a siphon does not form. Here is some simple modifications to a PVC cap and piping to enable easy adjustment of the airflow.
Cap for adjusting air flowrate through a Stockman style standpipe.
Before finally installing the standpipe into the bulkhead fitting, ensure that you can see the holes/slits from the outside of the tank. That will allow easier adjustment of the air flowrate.
Stockman style standpipes installed with adjustable air flowrate cap.
Comments
Only registered users can write comments. Please login or register.
