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Old 05-01-2005, 07:31 PM   #1
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What type of epoxy?

I've heard that you can use some epoxy on your live rock to stabilize it, what type of epoxy would be best and safe?

Also what are some ways that you have stabilized your rock? I plan on getting 40# of Keys rock and maybe 5-10# BR and burying the base rock in the sand ... so I won't have to bury that beautiful Keys rock!
I've heard of using some PVC cut down and attached to points of the BR and then burying all of that in the sand? What do you think of this?

Thanks
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Old 05-02-2005, 03:31 PM   #2
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to support my rock i have used 2" pvc pipe couplings. they are made to join the ends of 2" pvc pipe. there may be 2 kinds when you are looking for them, a standard coupling and a repair coupling. the repair coupling has a smooth internal surface and the standard coupling has a ridge to allow the 2 separate pipes to but against in the inside of the coupling. kinda hard to explain but you will notice what i am talking about if you go to the hardware store.

they are rather cheap, as long as you get the right ones (not the repair coupling). and they are nice to use for deep sand beds because they are approximately 3 inches tall when stood on end. i use a couple for each large rock. and i do NOT bond them to the rock...

~mike
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55gal FOWLR,
DIY stand and Hood,
AquaC Remora,
Coralife Lunar Aqualight (4x65W),
60 LB Hirocks Base Rock, 40 LB LR 50/50 Keys/Gulf
150 LB Playsand (~3-4 in DSB)
2 x Blood Red Fire Shrimp, 2 x Cleaner Shrimp
2 x Black and White Percula Clown, 1 x Orange Spotted Blenny, 1 x Red Stripe High Fin Goby
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Old 05-02-2005, 05:07 PM   #3
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I know exactly what your refering too ... it is hard to explain in words, but I know!

So DO NOT bond them to the rock huh? Set the PVC couplings in, set your rock down, and pour the sand in?

Sounds easy enough, I'd hate to epoxy the live rock for fear that one day I may get a bigger tank and I would have one big clump of rock ... I know it could be broken down, but I would also hate to do that!

While I'm on this, a friend has a 75 gallon that needs new silicone on the inside of the tank, what type do you recomend and what is the wait time before setting up a SW tank after repairing the seams?

AWESOME thanks for the help!!
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Old 05-02-2005, 05:27 PM   #4
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actually, i would put down the pvc first, then the sand, then the rock.

i did it all screwed up and tried several sizes before i settled on the 2".

plus, if you dont like the aquascaping, you can move the pvc around and all you will have to do is push away some of the sand and set the pvc on the glass. then fill in sand around it.

~mike
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55gal FOWLR,
DIY stand and Hood,
AquaC Remora,
Coralife Lunar Aqualight (4x65W),
60 LB Hirocks Base Rock, 40 LB LR 50/50 Keys/Gulf
150 LB Playsand (~3-4 in DSB)
2 x Blood Red Fire Shrimp, 2 x Cleaner Shrimp
2 x Black and White Percula Clown, 1 x Orange Spotted Blenny, 1 x Red Stripe High Fin Goby
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Old 05-02-2005, 06:01 PM   #5
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Very cool ... I appreciate your help! I think I'm going to try the PVC way and see how that comes out! Only 3 weeks before I close and move into my new house, so I'm trying to gain all the knowledge needed to make this a smooth setup!

Any ideas on that silicone for the glass?

Thanks
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Old 05-03-2005, 02:36 PM   #6
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you can use PURE silicone caulk that has NO antifungal, or antimicrobial agents in it. i think i used GE Type I caulk... but make sure that is the right one (one of them will have the anti-fungal stuff and one wont - Type I or Type II). i used about 2/3 of a regular size tube for my 55 gal.

if you are resealing a tank without taking it apart, then i can help you...

make sure you have the tank in a place that will allow you to leave it there for up to a week. you dont want to move it once you start this process. also, the silicone caulk smells like vinegar, so do it in a well ventilated area. unless you like the smell of vinegar.

to reseal the tank, you will need to remove the old silicone. i used a hand held scraping razor. make sure you have lots of blades, as you will wear them out fast when you scrape against the edges of the glass. plus it is a lot easier with a sharp blade. vacuum out all the silicone that you have scraped off.

go over the areas again with the razor to get all the little pieces that were left behind the first time. vacuum again. you may have to scrape a third time, but just keep at it until you get all the silicone off the glass. new silicone will not stick to the old stuff very well.

clean the area with rubbing alcohol to make sure the glass is clean. wipe it dry with a CLEAN paper towel. use masking tape to mask off the area that you dont want to get silicone all over. i put the edge about 3/4 inches from the corners. do this on all of the panes of glass. get all you taping done at the same time. you dont want to have to go back and do it once you start siliconing.

after all the taping is done. clean the area one more time with the rubbing alcohol. dry it with a clean paper towel.

now the fun part. make sure you have a lot of paper towels before you start caulking. run a bead of caulk around the bottom pane of glass. i think i tried for a 1/4 to 3/8 inch bead. immediately smooth the bead with your finger. clean off with the paper towels as needed. try to do this as fast as possible. do the four vertical corners all the way to the top, and smooth them with your finger. i made sure to get all the way to the brace at the top. for all the edges, make sure that you have good contact between the silicone and both pieces of glass.

dont try and re-smooth an area. once you go over it and leave it for a few minutes, the silicone starts to cure, and you will only make it worse by trying to go over it again to smooth it out...

be careful when you are leaning over the tank and smoothing the silicone. if you inhale deeply, you will get a pungent whif of vinegar... not too fun.

remove the tape as soon as possible. if not, your silicone will stick to the tape, and WILL pull off when you remove the tape. let the tank dry for at least 24 hours. the silicone will be good in a few hours, but let it dry for at leats 24 hours. if you can wait, let it dry for 48 hours. then you can fill the tank with tap water to see if there are any leaks.

i have done 3 tanks this way. my main 55 and two 10 gal tanks. i messed up the 10's becuase i left the tape on too long. and by too long, i mean 30 minutes after i finished the silicone application. so, get it off as soon as possible. while the silicone is still wet.

best of luck... wow... long message

~mike
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55gal FOWLR,
DIY stand and Hood,
AquaC Remora,
Coralife Lunar Aqualight (4x65W),
60 LB Hirocks Base Rock, 40 LB LR 50/50 Keys/Gulf
150 LB Playsand (~3-4 in DSB)
2 x Blood Red Fire Shrimp, 2 x Cleaner Shrimp
2 x Black and White Percula Clown, 1 x Orange Spotted Blenny, 1 x Red Stripe High Fin Goby
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Old 05-03-2005, 04:04 PM   #7
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WOW! Awesome mike thanks, I just copied all of that and emailed to my friend! Let's just hope he doesnt' call me for help ...

Sounds easy enough if you know what your doing!

Thanks again

jermz
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