The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
My marineland C-530 is too strong for my 75 planted freshwater. Is it ok to slow the flow rate? I can slow the rate at the hose cut off valve; but, I am not sure if this will be damaging to the impeller drive. Any advice?
Yes you can limit the flow on both ends by putting a sponge over the intake of the filter and sponges in the filter to slow the speed. Maybe getting a ball valve for the output