Simple sump or HOB filter?

Jul 12, 2009
2
0
0
St.Paul MN
#1
So, I have a 75 gallon tank I want to set up, but I've never had a tank that big before.

I can't decide what to do about a filter. I'm very intrigued with the idea of a small sump filter (10 gallon...maybe bigger).

I kinda want to put an oscar in that tank, and I hear they're very messy fish, and I'm concerned about the bioload. I'm also concerned about it moving/breaking the heater.

Reasons I can think of to use a sump:

1. Gets the heater out of the tank
2. Larger area for biological filtration
3. Probably similar cost to HOB, cheaper if I get 2
4. I like to do overkill when it comes to filtration

Option 2: Just suck it up and buy 2 HOBs and a shatterproof heater.

Just one concern there though...Are 2 biowheels enough biofiltration?

Anyone have any thoughts? And ya, I know, the bigger the sump the better.
 

Lotus

Ultimate Fish
Moderator
Aug 26, 2003
15,115
13
38
Southern California
home.earthlink.net
#2
Sumps are nice, but you do need to either drill the tank or get an overflow box. Also, the pumps can get expensive.

For our tanks that are around that size, we run a canister filter and a HOB filter.

Once the tank is established for more than about 6 months, you probably won't have to worry about biological filtration, as there will be plenty of bacteria in the tank.
 

Lotus

Ultimate Fish
Moderator
Aug 26, 2003
15,115
13
38
Southern California
home.earthlink.net
#4
Everyone will give you different opinions on canister filters. I personally like the Eheim Pros, but they're really expensive. I've found them to be worth the money.

You can also go for a Magnum or a Filstar filter, both are good filters for a lot less.
 

Aug 1, 2009
2
0
0
#5
I was searching a few forums the other day trying to get ideas about a DIY sump filter. There was a link to some site that sells cheap overflow boxes (maybe $30-40). I've been trying to find it again with no luck...can anyone help me out?