Aquarium stand not flat need help.

[Watsonja4]

So I just picked my aqueon 45g up today and started setting everything up. I put my stand in place first and shimmed it level, it's on concrete slab. Well my my problem started when I decided to throw the square on the top frame to check for high spots. I found that the stand dips down in the middle on the long span, it's not much probably less than a 1/16", a quarter would not fit between the square and stand. So should I be worried about this or not? I was thinking about putting some 1/4" cork board between the tank and stand if it will help or is this a bad idea? Any help is appreciated as I'm ready to get this thing up and going.

 

[Fresh2o]

IMO that's not much of a dip considering the length of the run. The cork board should help. In this case I'm wondering if plywood would be more appropriate or if even necessary.
Wish I could be more helpful.

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[54seaweed]

I would go with a 1/2 piece of plywood , I don't think the cork would give enough support ,
I split a tank because of a gap like that , I thought nothing of it till I cracked the bottom
and I was no happy camper

 

[Brookster123]

If it's a standard rimmed tank than it doesn't matter as only the perimeter contacts the stand.

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[Watsonja4]

Well that's where the dip is on the stand, it's where the rim would sit on it. I know the bottom glass needs no support since aqueon tanks have a floating bottom. Could I use composite shims to fill the gap or bad idea?

 

[Brookster123]

You can shim it for sure.

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[Watsonja4]

So just to double check I can put shims between the stand top and bottom rim. If yes I will head to lowes first thing tomorrow and buy some composite snap shims. Lol I'm so ready to get started on the fish-less cycle.

 

[Brookster123]

Absolutely, just take care to not over/under shim.

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[Watsonja4]

Ok thanks for the help guys I will post some pictures when I get it put together.