So between the two, it looks like you're happier with the sump that supports less water but uses a wet/dry filter.
Why are you happier with the second?
Also, why are you unhappy silicon on plexiglas? (I've just cut the baffles from some spare plexi I had lying around and am about to silicone them in)
Others told me i would not be happy with the mix of plex silicone and glass. They were very right the test parts i made held no wieght, peeled, and never really looked "nice"
They both hold about the same amount of water. First sump is over filled today because i topped it off. The way i put the filter in is hard to service but personally i felt looked more "store bought". My plastic top is not the nicest but with so much flow i get lots of " splater" outside of sump.
bio wise they hold about the same amount of lava rock. i am trying both large rock and pebble size.
im happer with second one because its just pull drawer out and slip pad in. All drip and splatter is self contained. soon i will make full cover to go over rest of sump.
structure already there just drill holes in drawers.
easy to pull drawer out and replace filter pad.(i buy bulk and cut myself)
i left room for large heater. first one i didnt think about that(no room for 300w heater)
I may in the future rebuild first like i did second.
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