Joined: May 29, 2007 Posts: 2181 Location: Hyderabad
Posted: Mon Jul 16, 2007 9:39 am Post subject: Re: Using slotted angle stand to hold medium sized aquariums
In my opinion dont use a slotted angle stand, they swing if if they are bolted without angles. they tend to bend concave on the surface due to weight, because there are no support bars under the surface, even if you have a quality stand like godreg. They can take the weight to some extent, if u place a thick plywood along with Styrofoam under it, only if u buy a quality slotted angle stand, it will be just a bit less than normal stands . Best is to use heavy gauge stands with supports, you can order them(in special case with 3-4 levels) at most of fishstores.
Joined: Feb 15, 2006 Posts: 2588 Location: Coimbatore
Posted: Mon Jul 16, 2007 11:24 am Post subject: Re: Using slotted angle stand to hold medium sized aquariums
In a single word 'NO'.
To put it more elaborately, note that slotted angles are made with the idea to keep and store stuff on a volume basis, not weight. Just imagine a 2x1x1 tank will weigh around 50 kgs or more. The base is not made to withstand that kind of load and will buckle. And you are talking of multiple tanks. Also, the slots may not be 100% flat allowing for uneven weight distribution.
My suggestion would be to go in for L angles with 5mm thickness, same as what I am using and make frames according to the tank size. I have a 4'6" tall stand, with 3 tanks of 4x1.5x1.5 each. The bottom tank is 6" off the ground, the next tank is about 7-8" above it, while the tank on top is at 4'6" level.
The legs are 1.5" with 5mm thickness, the base rectangular frame is made of the same L' angle of the same thickness with two straight bars added for additional support.
You can get it done with any workshop handling grill and frame works.
Posted: Mon Jul 16, 2007 12:03 pm Post subject: Re: Using slotted angle stand to hold medium sized aquariums
Not that I disagree with what has been posted above. I'm just stating my experience here.
I used slotted angle to build two racks with three levels each.
One rack is 4 feet long. The other is 5 feet long. Both are 15" wide. The 5 foot one has an additional pair of legs in the center . It also has the lower level empty because I have another iron frame stand at the bottom of this stand with two 2 footers on it.
Each joint is made with Triangle plates(locally known as "kona"). Each plate is attached to the two angles it joins by three bolts.
Each level has a marine ply board and thermocol on top.
The four foot stand is currently holding 5 nos of 1 foot tanks + a 2' tank + a 1.5' tank. At its peak, it was holding nine one footers.
The five footer holds two 2' tanks + five 1' tanks. At its peak it was holding ten 1 foot tanks plus one two footer.
Haven't noticed any buckling/bending for the last one year that it has been up and believe me I do check. Iw as terrified for the first few months and checked it everyday.
If I were to set up a rack for holding small tanks, slotted angle would be my choice due to the design flexibility and modifications possible.
Ease of setup - it took me just about half a day to get the angles cut and bolted together.
I didn't go with welded iron angle because it is not easily readjustable and I can't DIY it
How safe is it? - I don't know. I had asked the question before I did it but got no conclusive reply. Its working for me now...
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