Go Back   Aquarium Advice - Aquarium Forum Community > Saltwater and Reef > Saltwater Fish Only & FOWLR
Click Here to Login

Join Aquarium Advice Today
Reply
 
Thread Tools Search this Thread Display Modes
Please support our sponsors and let them know you heard about them on AquariumAdvice.com
 
Old 02-24-2004, 09:10 PM   #1
Aquarium Advice Apprentice
 
Join Date: Jan 2004
Location: New Hampshire
Posts: 14
Rock under Live rock

I've seen in several places the idea of jacking up LR on a couple inches of PVC tubing and was wondering if anyone had instead placed their rock on to of thin flat rock buried in the sand. I'm thinking of burying some 2" thick pieces of flat granite and marble which I have and then placing the LR on top of that instead of burying the LR into the sand. I have a 3" sand bed so the LR would still be partially into the sand. Any thoughts? Thanks
__________________

__________________
cherijon is offline   Reply With Quote
Old 02-24-2004, 09:15 PM   #2
Aquarium Advice Addict
 
Biggen's Avatar
 
Join Date: May 2003
Location: Panama City FL
Posts: 1,817
I think what you are wanting to do should work fine. Make sure the base rock is pushed down a good ways in the SB.

I did the PVC pipe thing under my LR. If I had to do it again, I probably wouldn't though. It's a lot easier to simply push the LR into the sand a few inches than to glue 4" PVC to the bottom of the tank.

Incase you don't already know, the advice of putting PVC (or anything for that matter) under the rocks for support is so that as the SB dissolves over time, a rock slide won't ensue.
__________________

__________________
Rodman
Biggen is offline   Reply With Quote
Old 02-24-2004, 09:21 PM   #3
Aquarium Advice Apprentice
 
Join Date: Jan 2004
Location: New Hampshire
Posts: 14
I did not realize that that was why. Dissolving sand hadn't occured to me.
__________________
cherijon is offline   Reply With Quote
Old 02-24-2004, 11:05 PM   #4
Aquarium Advice Activist
 
Join Date: Jan 2004
Location: Black River Falls, WI
Posts: 151
Send a message via Yahoo to Wally
Hey all, if I were to do it again I would get what they call at my lfs lace rock. It appears to have once been on the bottom of the ocean (looks like dead live rock) and costs only $1.99 per pound.

Next time..............
__________________
Wally

The more I learn the less I know
Wally is offline   Reply With Quote
Old 02-24-2004, 11:24 PM   #5
AA Team Emeritus
 
cmor1701d's Avatar


 
Join Date: Feb 2003
Location: Belle Mead, NJ
Posts: 7,814
Quote:
as the SB dissolves over time
Biggen, where did you come with that? I have never read anything that says the sb will dissolve over time.

Critters may move sand a/o rock around and cause it to move. Raising LR above the sb also prevents dead areas where hydrogen sulfide could form and accumulate. The idea is to have the platform or the rock directly on the bottom glass. Most people seem to just push the rock down far enough into the sb so that it is stable.
cmor1701d is offline   Reply With Quote
Old 02-25-2004, 09:08 AM   #6
Aquarium Advice Addict
 
Biggen's Avatar
 
Join Date: May 2003
Location: Panama City FL
Posts: 1,817
Quote:
Biggen, where did you come with that? I have never read anything that says the sb will dissolve over time
I should have been more specific. Aragonite sand will dissolve over time. Although I wouldn't see why CC wouldn't either. That is one of the reason Aragonite sand is used so heavily. When it dissolves, it releases buffering agents, CA, trace minerals, etc. However, in a normal aquarium, the SB dissolved has no major impact on these minerals.

I am really not sure on the chemistry of how it dissolves. Essential Co2 trapped under the sandbed can lower the pH causing the SB to dissolve over time. This is basically how a Calcium reactor would work if loaded with Aragonite. Be aware, that Aragonite will also dissolve up to a pH in the high 8.0's. It is inevitable that part of the SB would need to be "topped off" with new sand.

Someone may be able to explain that a little better that I could. You could also do a search on "aragonite & dissolve & aquarium" in Google and should come up with something.
__________________

__________________
Rodman
Biggen is offline   Reply With Quote
Reply

Tags
live, live rock, rock

Please support our sponsors and let them know you heard about them on AquariumAdvice.com

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Live rock/Base rock startup question jbadd99 Saltwater & Reef - Getting Started 13 01-16-2010 03:19 AM
Dead rock - Live rock - Cured rock - Uncured rock Charlie Saltwater & Reef - Getting Started 5 07-08-2006 08:44 AM
Dead rock to Live Rock time period? dscount Saltwater Reef Aquaria 4 01-16-2006 10:06 AM
where to buy live rock & base rock online???? ektorgt Saltwater Reef Aquaria 4 08-12-2005 12:57 AM
Got my live rock today :D 75 pounds of cured rock DamselnDistress Saltwater Fish Only & FOWLR 3 11-19-2003 10:23 PM







» Photo Contest Winners








Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -4. The time now is 04:30 PM.


Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.