Ryan1988 Posted November 16, 2023 Share Posted November 16, 2023 Hey Gang, I'm considering moving my HOB from its current position which is the back left of the 20 gallon tank to the ride side facing the left. The idea was that you would get a better circulation if the water is sent out across the tank rather than to the front of the tank. Any thoughts on this ? Thank you, Ryan Link to comment Share on other sites More sharing options...
nabokovfan87 Posted November 16, 2023 Share Posted November 16, 2023 It's a good choice, the only issue is usually whatever lid you're using that limits this option. Side mount HoB works well though. Link to comment Share on other sites More sharing options...
Ryan1988 Posted November 16, 2023 Author Share Posted November 16, 2023 @nabokovfan87 Yeah, I was going to make my own lid out of twin wall polycarbamate sheet. Link to comment Share on other sites More sharing options...
lefty o Posted November 16, 2023 Share Posted November 16, 2023 give it a try, worst case scenario you can always go back where it is now. Link to comment Share on other sites More sharing options...
govsfabshop Posted November 16, 2023 Share Posted November 16, 2023 There was a topic i believe on here i saw that referenced a youtube video that had the "science" behind the placement. On a 20 the filter on the side should be just fine, im getting ready to setup a 125 that i'm going to attempt a tidal on the left side with sponge filters on the back because i want it tight to the wall! Link to comment Share on other sites More sharing options...
nabokovfan87 Posted November 16, 2023 Share Posted November 16, 2023 On 11/16/2023 at 8:47 AM, govsfabshop said: There was a topic i believe on here i saw that referenced a youtube video that had the "science" behind the placement. This one? 1 Link to comment Share on other sites More sharing options...
govsfabshop Posted November 16, 2023 Share Posted November 16, 2023 On 11/16/2023 at 9:59 AM, nabokovfan87 said: This one? That is the one! 1 Link to comment Share on other sites More sharing options...
Tanked Posted November 16, 2023 Share Posted November 16, 2023 I have been using a side mounted HOB for a quite a while on the 29. It provides a recirculating current across the tank. The current is strong enough to move some of the plants on the far side of the tank, but not strong enough to deter the small fish. Visually, once you get used to the new position, I think the side mount is less obvious and easier to service. The HOB is also on the same side as the heater, so there is the added benefit of moving the water past the heater. This tank isn't covered, so I use either a piece of cut glass or aluminum channel to support the left leg on the ACO light. 1 Link to comment Share on other sites More sharing options...
Ryan1988 Posted November 16, 2023 Author Share Posted November 16, 2023 @nabokovfan87Yeah, that video is where I got the Idea from. I'm also not opposed to having it in the middle which he also mentions but I just don't know which is best. The down fall of the middle is you'll need tall plants to hide the inlet since its in front of your face when looking into the tank. Link to comment Share on other sites More sharing options...
nabokovfan87 Posted November 16, 2023 Share Posted November 16, 2023 If I could, everything on a 3' or longer tank would be side mounted. Below that. Anything that is a."long" would also be. 1 Link to comment Share on other sites More sharing options...
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