Post your cool links here of anything you find interesting..

i was more interested in the frags. i didn't even look at the other stuff. the in state shipping is cheap. i am bidding on the pink chalice. if you are worried about parasites and bugs, any tank could give you those. you must dip your corals for no worries! it doesn't scare me. these guys have been doing this for a while i'm sure. i know the guy in mobile has for a little while any way. the corals in the ebay link are pretty nice stuff. the prices aren't that bad either.
 
Ed, that is one of the coolest things I have seen in a while. It's unique instead of building off of another existing item.
 
i thought about something similar but more along the lines of a way to adhear it to a rock with out glue. it's a good idea that will probably take off.
 
This would probably be a good thread to make a sticky. I know I can certainly see myself referencing it often.
 
Interesting find there, James. It does look like their sand is made of feldspar, though, and not aragonite. I'm wondering if that's a better alternative to silica based sand, though. I'm tempted to order a sample of the stuff just to see what it's like. I guess I could do the vinegar test, but there are actually a bunch of things that react to vinegar, and their website does actually say that it's feldspathic sand. Anyway, I googled feldspar, since it's been awhile since I've taken any geology classes, and here's a brief excerpt:

Chemically, the feldspars are silicates of aluminium, containing sodium, potassium, iron, calcium, or barium or combinations of these elements.

Hmmm, maybe it is silica based afterall. . .may have some calcium in there, though. Now to see if they sell this anyplace closer than California.
 
it took a while but i was able to look through this post and found a lot of stuff i want.. the wife is gonna kill me when i get home and make some orders. hope all is going well with everyone..
 
<a href=showthread.php?s=&postid=8527385#post8527385 target=_blank>Originally posted</a> by IslandCrow
Anyway, I googled feldspar, since it's been awhile since I've taken any geology classes

Ask our resident geologist, Griffin!!
 
I don't know how I missed this. Mike, you are right. Feldspars have silica in them as do most minerals. If you're worried about dissolved silica in your water then it would be better to go with the quartz sand than a feldspar based on. The feldspars are much more unstable (especially the NA & CA plagioclase feldspars) than quartz at normal conditions. The feldspars, along with the amphiboles tend to chemically weather out to form your clays (kaolinite). While doing that through hydrolysis, a byproduct of the reaction is silicic acid and amorphous SiO2. Pure quartz is much more stable and does not dissolve out quickly at a ph of 8 or less. That¡¦s one of the reasons why if you go down to the beach the sand is almost pure quartz. In my opinion the little bit that gets dissolved from your quartz sand bed is insignificant over your lifetime. Your tank glass (amorphous silica) will dissolve faster than quartz sand and we don¡¦t seem to be worried about holes forming in our side walls;). Almost all silica enters a tank from the freshwater we add. There is quite a bit in it from all the chemical weathering mentioned earlier of the other silica based minerals (not quartz). Natural sea water on the other hand has very little silica.

In short I don¡¦t think people have issues with using quartz based sand. They get diatom issues with dissolved silica from their tap water. However quartz sand would be better than feldspar based sand.

Now all this all assuming that these little Radiolarian, Diatoms, and silicoflagellate use dissolved silica only to build their skeletal structures (which I think is the case but not entirely sure).
 
<a href=showthread.php?s=&postid=8562602#post8562602 target=_blank>Originally posted</a> by KADLETZ
www.globalplastics.com

I see the link Chris, but what specific product are you referring to?? If you want a plastic injection company, there are a ton here in the states without having to go to Canada or the UK. Heck, I used to work at one in Ormond Beach, FL. They did automotive plastic injection molding.
 
It's coming from www.solar-components.com it's going to be .60 mm thick clear fiber glass, 18" wide, 7ft tall 70 gallons. dual needle wheel with air injection. 1/2 horse power feeding it. it will take some time to plumb in but when all is said and done it should look real nice.
 
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