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Topic Review (Newest First)
Today 01:15 AM
kman
Quote:
Originally Posted by MoreyFan View Post
I have dishonored myself with subpar screen construction. I have pulled large bits from the grill of the pump but I now see it was my fault and not the hole under the substrate that bypasses 95% of the filter.
LOL dude, do what you want with your tank. If you're going to plug the hole, your problem seems solved, else a finer grade screen the no large particles can pass seems like a logical solution.
Yesterday 11:45 PM
MoreyFan
Quote:
Originally Posted by kman View Post
"Junk" can go through anything, unless there is a screen. Some broken substrate (that must not be very much of a screen, unless you pretty much mean dust) on the bottom, below the sponge and below the hole that connects to the pump chamber isn't going to hurt anything. Just clean it out, if it bothers you, at the same time you clean the sponge itself.
I have dishonored myself with subpar screen construction. I have pulled large bits from the grill of the pump but I now see it was my fault and not the hole under the substrate that bypasses 95% of the filter.
Yesterday 10:40 PM
kman
Quote:
Originally Posted by mesohorny View Post
to plug or not to plug ... quite the delicate conundrum.
I see it as a safety feature purposely added by the manufacturer for a legitimate reason. Adding a good screen allows it to work while keeping the most things you don't want to get through, through, rather than stopping it up and preventing it from doing it's job.

It's your tank, of course, so listen to the various opinions and then just decide which makes the most sense to you. Either way the tank is likely to be fine, considering there are plenty of people using it both ways.
Yesterday 10:05 PM
dru My pump burned out even with the hole open
Yesterday 09:44 PM
mesohorny to plug or not to plug ... quite the delicate conundrum.
Yesterday 09:19 PM
kman
Quote:
Originally Posted by MoreyFan View Post
Unlike the overflow, junk can just get sucked through the hole. I didn't block mine but put really fine polyester screen over it. Have a ton of broken down substrate in the back section now. Unless you go weeks without looking at the tank the hole is worthless. It is for people who don't understand why/how to keep the water level up.
"Junk" can go through anything, unless there is a screen. Some broken substrate (that must not be very much of a screen, unless you pretty much mean dust) on the bottom, below the sponge and below the hole that connects to the pump chamber isn't going to hurt anything. Just clean it out, if it bothers you, at the same time you clean the sponge itself.
Yesterday 08:53 PM
MoreyFan
Quote:
Originally Posted by kman View Post
All the more reason to simply put a pre-filter screen over it.
Unlike the overflow, junk can just get sucked through the hole. I didn't block mine but put really fine polyester screen over it. Have a ton of broken down substrate in the back section now. Unless you go weeks without looking at the tank the hole is worthless. It is for people who don't understand why/how to keep the water level up.
Yesterday 08:21 PM
kman
Quote:
Originally Posted by MoreyFan View Post
sits below the substrate? The more clogged and restricted the main filter path gets over the lifetime of the tank, the more flow the small hole gets. The more flow the small hole gets, the more crap that gets sucked through it. Your pump sits on the bottom of the tank and gets clogged with anything on the bottom.
All the more reason to simply put a pre-filter screen over it.
Yesterday 08:16 PM
MoreyFan
Quote:
Originally Posted by mesohorny View Post
thanks k! I didn't know that about the bio film up until now. researching it a little bit, it seems I might be doing myself--and my eventual shrimp fry--a disservice by plugging that drain hole lower down. as it sits under the substrate anyway, and presumably wouldn't be a danger to fry, I may have to open it back up. thanks for the tip!
sits below the substrate? The more clogged and restricted the main filter path gets over the lifetime of the tank, the more flow the small hole gets. The more flow the small hole gets, the more crap that gets sucked through it. Your pump sits on the bottom of the tank and gets clogged with anything on the bottom.
Yesterday 08:04 PM
kman
Quote:
Originally Posted by mesohorny View Post
thanks k! I didn't know that about the bio film up until now. researching it a little bit, it seems I might be doing myself--and my eventual shrimp fry--a disservice by plugging that drain hole lower down. as it sits under the substrate anyway, and presumably wouldn't be a danger to fry, I may have to open it back up. thanks for the tip!
The lower hole is there as a backup, in case the water level drops below the level of the top overflow grate, so the pump doesn't drain the compartment dry and then burn itself out (and your heater). It's not a danger to adult fish at all, but it IS dangerous to tiny critters like fry or juvie shrimp.

Rather plan plug it, I would buy a little piece of stainless steel mesh and put it behind the "wall". The sponge will hold it in place by friction, or technically you could simply hot glue, super glue, or silicon it in place. That will let water through but stop any tiny critters from getting through. See post 81 (at pg 6) for the type of SS mesh I'm referring to. The user h4n is no longer on these boards, but you can still order it from his online store at: http://www.hanaquatics.com/stainless-steel-mesh/ (just put a note in the comments that you want fine mesh instead of the larger mesh)
Yesterday 03:13 PM
mesohorny
Quote:
Originally Posted by dru View Post
Nice driftwood
thanks! 2 pieces I had no love for that actually came together nicely in this one. just goes to show if you flip it around and stare at it enough, you may eventually find a good look.

Quote:
Originally Posted by kman View Post
Looking very nice!

... but from what I understand, shrimp actually love that biofilm as a food source (especially babies) so it's probably a good thing to leave it alone.
thanks k! I didn't know that about the bio film up until now. researching it a little bit, it seems I might be doing myself--and my eventual shrimp fry--a disservice by plugging that drain hole lower down. as it sits under the substrate anyway, and presumably wouldn't be a danger to fry, I may have to open it back up. thanks for the tip!
01-27-2015 10:28 PM
dru
Quote:
Originally Posted by mesohorny View Post
I just have some very minor mods ...

cut holes in the standpipe coming from the pump to circulate water in the chamber that also houses a small fluval heater and plugged the lower hole draining into the filter with electrical tape to increase skimming. I also replaced original filter media by stuffing the drip chamber with hella biomax, layered with a cutting of the original filter foam, and topped her off with filter floss in the hopes that any li'l shrimp that find their way in there can easily find it back out.

... and of course replaced the stock light with a fluval eco bright I found on super clearance.

now I just need to add the shrimp!
Nice driftwood
01-27-2015 09:05 PM
kman
Quote:
Originally Posted by mesohorny View Post
I just have some very minor mods ...

cut holes in the standpipe coming from the pump to circulate water in the chamber that also houses a small fluval heater and plugged the lower hole draining into the filter with electrical tape to increase skimming. I also replaced original filter media by stuffing the drip chamber with hella biomax, layered with a cutting of the original filter foam, and topped her off with filter floss in the hopes that any li'l shrimp that find their way in there can easily find it back out.

... and of course replaced the stock light with a fluval eco bright I found on super clearance.

now I just need to add the shrimp!
Looking very nice! I can't wait to get mine up and running. Waiting for a tank to cycle blows...

I'm going to add fine SS mesh over the intake(s) to keep the shrimp out, like the guy in post 81 (see pg 6) (plus more mesh to cover the bottom intake).

I'd buy an evilBay skimmer cover to increase skimming, but from what I understand, shrimp actually love that biofilm as a food source (especially babies) so it's probably a good thing to leave it alone.

I'm going to replace the stock light with the 18" Current USA Sat+, which I already have a timer/controller for.

I crammed a 50W Cobalt Aquatics NeoTherm into the pump compartment while it cycles, so I'm all set there.
01-27-2015 06:12 PM
mesohorny
Quote:
Originally Posted by mproia View Post
Mesohorny, What type of Fluval heater do you use? Does it fit easily in the chamber?

sorry, I lied; it's actually a Marina mini heater 17w. no frills, but it works. it fits with room to spare.
01-27-2015 06:00 PM
mproia Mesohorny, What type of Fluval heater do you use? Does it fit easily in the chamber?
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