No not realy, but i have custom DIY overflows with a relative fine mesh... Adult shrimp can't get in.. Occasinaly i find a cherry in the sump, from fry the gets in and than slowly grows big in the sump.
That's the way to goto get to know your system.. It takes time and trail and error.. About each system has it's own induvidual issues and things.
In principle all the same, but still little things can make it behave differently.
Thanks Zozo yeah, makes sense!
I guess you’ve not used the weir type before then? Does that sound feasible with the water level evaporating from the tank too?
I think I’ll get a fine mesh as well - do you find that adds more resistance to the flow rate and higher risk of blockages?
Sent from my iPhone using Tapatalk