CHEZURAquarium decisions Gradual loss points to accumulating resistance; sudden loss suggests air, obstruction or a changed valve.
Remove leaves and inspect the guard before opening the vessel. Continue downstream only if flow does not recover.
Kinks, blocked spray bars and trapped air mimic dirty media.
Record before and after each action. The improving step identifies the restriction.
Rapid recurrence signals more load or media too fine.
| Situation | What to do | Why |
|---|---|---|
| Gradual decline | Clean mechanical stage | Accumulated solids |
| Sudden decline | Check air, valves, blockage | Abrupt change |
| Only outlet holes weak | Clean spray bar | Distribution blockage |
After clean mechanical stage, measure or observe Gradual decline again with the same method. Record Opening everything hides the cause. as well; if neither changes as expected, revisit the diagnosis before adding another intervention.
Sources include institutions, technical studies and manufacturers. Chezur separates established mechanisms from editorial decisions for home aquariums.