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-   -   Black Diamond 20/40 Closeup (http://www.plantedtank.net/forums/showthread.php?t=182293)

talkinggoat 07-04-2012 06:40 PM

Black Diamond 20/40 Closeup
 
Tractor Supply got a new shipment of Black Diamond blasting abrasive, yesterday, so I bought 100 pounds. This is a closeup of what it looks like...

https://lh6.googleusercontent.com/-f...5/_MG_0082.JPG

https://lh5.googleusercontent.com/-E...5/_MG_0081.JPG

https://lh3.googleusercontent.com/-d...5/_MG_0079.JPG

https://lh4.googleusercontent.com/-k.../_MG_0081a.jpg

jeremyTR 07-04-2012 06:59 PM

I can't find that stuff around me.

talkinggoat 07-04-2012 07:21 PM

It's supposed to be the same thing as Black Beauty... if you can find that.

I googled around and found a company called United Western Supply, in Seattle that might cary something like it. Maybe give them a call. They list it as one of their products, on their website.

Luis138 07-04-2012 11:33 PM

I have looked and looked and the only one carrying this is Tractor Supply, Co., unfortunately the closest one to me is about a 2 1/2 hour drive one way.

Luis


Ageless, still I am.

CatB 07-04-2012 11:52 PM

this stuff is great (and cheap), but make sure to thoroughly rinse it or you could end up with an oil slick on your tank!

Trickerie 07-05-2012 12:22 AM

Is it just me, or does it appear to be too abrasive? I'd be concerned with my corys with that stuff in there. It does look amazing though

CatB 07-05-2012 01:37 AM

Quote:

Originally Posted by Trickerie (Post 1929345)
Is it just me, or does it appear to be too abrasive? I'd be concerned with my corys with that stuff in there. It does look amazing though

it's not so bad, i've run my hands through it for hours cleaning it and came out fine... cory barbels usually disintegrate due to water quality, not "sharp substrate" which is more of a myth than anything. i've heard a good number of success stories (and no failures) with black diamond and cories- search "black diamond cories" on the forum or just google if you don't believe me.

Trickerie 07-05-2012 02:26 AM

Quote:

Originally Posted by CatB (Post 1929431)
it's not so bad, i've run my hands through it for hours cleaning it and came out fine... cory barbels usually disintegrate due to water quality, not "sharp substrate" which is more of a myth than anything. i've heard a good number of success stories (and no failures) with black diamond and cories- search "black diamond cories" on the forum or just google if you don't believe me.

I believe you, but I know all about cory barbels disintegrating from water quality. I was referring to their bellies really. :O

talkinggoat 07-05-2012 03:55 AM

Quote:

Originally Posted by Trickerie (Post 1929502)
I believe you, but I know all about cory barbels disintegrating from water quality. I was referring to their bellies really. :O

I'm looking at it @15 megapixels, and I can't see any sharp edges... nothing even close to glass. There are sharp angles, but everything is rounded. I'm more worried about what looks like metal flakes everywhere. It's almost like Edward fell into a batch and got chewed up in the machine... hopefully.

JasonG75 07-05-2012 01:26 PM

Quote:

Originally Posted by Trickerie (Post 1929345)
Is it just me, or does it appear to be too abrasive? I'd be concerned with my corys with that stuff in there. It does look amazing though


my 6 peppered cories are fine

steven p 07-05-2012 11:48 PM

I keep a raphael, dragon gobies, cory cats and many more bottom dwellers over blasting grit. Mine is a finer grade. In most of my tanks, it is mixed with natural gravel or eco-complete for a bit more natural churned up kinda look.

stevenjohn21 07-06-2012 12:06 AM

There is metal of some sort in black diamond. If you run a magnet up and down the bag you will hear tiny grains following it...... is it harmful to our fish ? Who knows !

secuono 07-06-2012 12:47 AM

I use this, very cheap, a bit weird when washing it, but totally safe. Bottom dwellers fine with it, mbuna moved mouthfuls of it, all good. Plants grow in it, too.

It is sand blasting grit/sand.

talkinggoat 07-06-2012 03:05 AM

Maybe that's the Iron they refer to, when they describe it's contents.

clayman65 07-06-2012 04:30 AM

I just put black diamond in my tank. It's definitely not sharp since I was mixing it around with my hands rinsing it. The weird thing about it is the wire pieces in it. Some look like small pieces of steel wire and others look like small glass tubes.


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