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Why you should join?

  • Monthly Meetings featuring expert speakers (10 per year)
  • Participation in our Breeders Award and CARES programs
  • Priority registration for Swap Meets (5 per year)
  • Ability to buy fish at our Rare Fish Auction (2 per year)
  • Participation in Bag Exchanges (during Covid)
  • Members-only events such as Holiday Party, Picnic, hobby tours and more
  • Our award-winning website which includes hundreds of articles, a cichlid classifieds allow you to find local fish for sale and special members-only sections
  • Show your support for the top cichlid club in the USA
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Why you should join?

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  • Participation in our Breeders Award and CARES programs
  • Priority registration for Swap Meets (5 per year)
  • Ability to buy fish at our Rare Fish Auction (2 per year)
  • Participation in Bag Exchanges (during Covid)
  • Members-only events such as Holiday Party, Picnic, hobby tours and more
  • Our award-winning website which includes hundreds of articles, a cichlid classifieds allow you to find local fish for sale and special members-only sections
  • Show your support for the top cichlid club in the USA
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How much rock?

8 years 11 months ago #32827 by Tbird
Replied by Tbird on topic How much rock?
Awsome ya it prolly won't be that much rock but just rather over estimate thanks for all the help

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8 years 11 months ago #32826 by bloonguy
Replied by bloonguy on topic How much rock?
My 150g has about 3inches of crushed coral and about 200lbs of granite rocks on top of that.
No problems in the last 5 years or so that I've had the tank but I suppose something could go wrong any day now....
Glass is a lot stronger than most give it credit for. Just try breaking an old window with a hammer sometime. You'll be amazed at how hard you have to hit it before it breaks!

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8 years 11 months ago #32823 by mikeg2929
Replied by mikeg2929 on topic How much rock?
weight <> volume. Tufa has minimal weight, plenty of volume. Granite has plenty of weight, minimal volume.

Safety first, imo. YMMV. But i wouldnt want to be working under a tank with that many rocks in it.

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8 years 11 months ago #32822 by scubadiver
Replied by scubadiver on topic How much rock?
You might want to think about placing egg crate (used above florescent lights) underneath the sand so you sleep better at night.

In case a rock falls which they will when you are trying to do something (catch a fish most likely).

I have a lot of rocks in my tank - but I did try to find some of the moderately weighted rocks.

I have one 30 pound rock that ended up in the garden -

Are you looking to be involved or commited
A Pig and a Chicken are walking down the road. The Chicken says, "Pig, I was thinking we should open a restaurant!". Pig replies, "What would we call it?". The Chicken responds, "How about ham-n-eggs?" The Pig thinks for a moment and says, No thanks. I'd...

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8 years 11 months ago #32821 by bloonguy
Replied by bloonguy on topic How much rock?
You will be fine.
Think about this: For every rock you put in you lose a corresponding amount of water. Although rock weight does not equal the weight of water,adding 100lbs of rock doesn't mean your adding 100lbs of total weight to the tank. After you figure in the displaced water you might only be adding 50lbs of total weight to the tank.

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8 years 11 months ago #32820 by mikeg2929
Replied by mikeg2929 on topic How much rock?
Seems like a lot to me. I am not a fan of that much rock with sand as you can get dead spots where there isnt any water flow and then these spots turn very foul, anaerobic, produce h2so4 (hydrogen sulfide, AKA "egg water") and if disturbed your fish can suffer or die.

If left undisturbed, the dead pockets are fine. The problem is most cichlids disturb the sand.

Also, consider laying the rocks directly on the glass.

Don't get me wrong, I used to use a ton of rock in bare bottom tanks. The most I ever used was probably 150 pounds or so. Good luck.

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8 years 11 months ago #32818 by sawboy
Replied by sawboy on topic How much rock?
Yes

Negative Karma for rule enforcement is a badge of honor :)

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8 years 11 months ago #32816 by Tbird
How much rock? was created by Tbird
I went to the Landscaping store the other day and liked the small to medium granite boulders (baseball-head sized) but they are very heavy im thinking im going to need about 400lbs of it for the look i want. The tank is a 150 gallon 4ftlx2ftwx2 1/2 ft t is this going to be ok weight wise with around 100lbs of cichlid sand?

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