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Post by johnt501 on May 18, 2009 12:05:52 GMT -6
I have been seeing some very cool tanks that have LOTS of rock in them. Personaly i think i have about 150lbs of 3/8 in river gravel in my 125g. I'm just wondering how much is too much?
And then there are the large rocks that I have been seeing in tanks. I saw where someone said they had like 240lbs of large rocks in a big tank. Just thinking of the stress the bottom glass must be under.
Comments ? opionions ?
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Post by titansfever83 on May 18, 2009 17:02:39 GMT -6
I personally don't like a lot of clutter(rocks, driftwood, etc) in my tanks but I do have probably an extra 50-60lbs of large river rock in each tank. Though I do try to provide enough hiding places for my fish. Like you John, I have seen tanks with double or triple that not including the substrate. Also, weight distribution I'm sure will play a role too. All in all, it comes down to tank manufacturer and how good your stand is. Some tank companies use one size thicker on the bottom and some don't. And your stand, I think, should have crossbraces every 2ft, 1ft would make me feel safer. I tend to skim when it comes to substrate, really depends on what fish I have in the tank but I usually fill up to the plastic bracing at the bottom of the tank, so about 1-1.5" is as deep as I go. I don't mind if my fish move it around and expose a little glass on the bottom. Just my two cents  |
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Post by jgentry on May 18, 2009 17:14:49 GMT -6
Most tanks will hold it no problem. I'm sure you notice my 90g had the stacked slate. About 170lbs of it to be exact and my 220g has about 120lbs of large river rock. YOu have to remember that the rocks displace water so with every rock you add you have less water so the weights actually get pretty close to evening out.
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Post by jon carman on May 18, 2009 19:31:13 GMT -6
I had about 400lbs of holey rock in my 125. It was full bottom to top 3- 60+ lbs and then a lot of smaller ones between 20 and 30. I took them out because it was too much work.
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