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#1
01-09-2010, 11:36 PM
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DIY Frag Disks
I dont have a lot of extra disposable income but I do have a lot of time so the other day I did some online reading and decided to make my own frag disks.
Materials and equipment: shallow rubbermaid tub fine coral sand type 10 portland cement water measuring cup plastic mixing container wood stir stick PVC cement container (used to make mold) I already had a lot of extra sand from a deep sand bed that I removed from my system so that was no problem. The cement I bought at Home Depot for $12 for a 40kg bag. My formula as 4:1 sand to portland cement with enough water to make the mixture soupy and easy to pore. 1 cup of cement and 4 cups of sand made about 40 disks.  I used this container to make my molds.  I wet the sand in the tub so that it would hold its shape better before creating the impressions.  After poring I left these to set for 2 days.  The disks are out and are rinsed off. The next step is to let them cure in the back of a toilet tank or some other area of frequently replenishing fresh water for about 6 weeks.  Heres a closeup. 
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"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour Last edited by whatcaneyedo; 03-14-2011 at 02:59 AM. 
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#3
01-10-2010, 02:08 AM
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Nice Idea! I would have to try it some time.
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All of the things that I have lost in my life. The one thing that I miss the most is my mind!
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#5
01-12-2010, 08:19 PM
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Awesome!
Hey! Can I borrow one or 2, so when I'm doing my MMLR, I can make some "sockets" in it to fit your frags?
 K
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http://community.webshots.com/user/kbd635/ Jeez! I miss my tank! Trigon 350 with sump.
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#6
01-12-2010, 09:22 PM
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I'll mostly be using these disks to mount soft corals in my grow-out frag tank (I like to suspend my SPS) and they seem rough enough on the bottom that epoxy should work well with them. I've had a lot of trouble trying to get the store bought ones I've used to cement to anything because they are so smooth all the way around. If you're making your own liverock use the top of a PVC cement container to make the exact same impressions. However I wouldnt recommend it... your rock will look like the surface of the moon if you put craters in it like that.
__________________
"We shall dive down through black abysses... and in that lair of the Deep Ones we shall dwell amidst wonder and glory forever." - H.P. Lovecraft Old 120gal Tank Journal New 225gal Tank Journal May 2010 TOTM The 10th Annual Prince George Reef Tank Tour
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