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The older pressure treated wood contained CCA (chromated copper arsenate), which has been replaced by, most commonly, ACQ (alkaline copper quaternary). The concern with CCA was the arsenate, which could transfer to the hands and, as Mike pointed out, is a poison. There still is a concern of skin...

Obviously a clog somewhere of that snowy precipitate that formed. Not familiar with this skimmer, but one note of caution - If it has rubber parts, dipping or running the entire skimmer in vinegar will cause the rubber to break down. If you can take it apart, soak individual parts in vinegar...

Sure makes water changes and dead fish issues easy to take care of.

I don’t mean to hi-jack, but as a newbie, could you explain why 460 and not 420? I’d like to know. Thanks

I didn't know you were an attorney. I might need your help.  I have my foot caught in my toilet, and there was no label stating I couldn't put my foot in there to unclog the bugger.  Do I have a case? ;D Or am I in deep....?

I originally had the same problem...just clicked into the Barton site and I'm no longer getting that virus warning. Looks like you got it. ;D

We took advantage of the warm weather yesterday and popped two holes in the glass.  Good news, the glass wasn’t tempered.  Not having polarized film, onefish commented that if this tank shatters, will just buy a new 75.  With drill in hand, we popped two holes into the back of the tank.  I guess...

Sure sounds like something funky with the water. Is she using a hydrometer or refractometer for measuring salinity? Either way, I would see if you could borrow another refractormeter to see if your salinity is in line. What volume of water is she changing? Does she also heat up her water to...

The seaweed we picked up at AO this past week had garlic included in the seaweed. I’m too much of a newbie to say that I’ve seen some benefit. (If anything, it’s kept the werewolves and vampires away.) However, I’m of the belief that it can’t hurt, especially if you have some of those...

I guess I’m aging myself.  Bozo the Clown was a TV show in the 60’s (or maybe 50’s, I can’t remember the actual years).  They had buttons which were of little value.  And it was commonly said, as a joke, that if you were right on something, you would win so many Bozo buttons.  Two Bozo buttons...

ReeferNets wins the prize…two Bozo buttons for you ;D...Angle Halo it is: Ed, when I first saw the picture in your post, I say, “Wow, Ed really got that new lens figured out.”  Unfortunately, I found that same pic on CoralPedia.

The picture is not the greatest. Maybe Purple Hornets???  You would do better trying to pick it out yourself at this site: http://www.zoaid.com/index.php?module=Gallery2&g2_itemId=15 Also realize, this site only has a handful of zoas listed.

The Glass-Holes overflow arrived today. Wooohooo! I’m impressed. I finally see how this thing works, and supposedly is quiet. It has baffles! The other thing I like is that it is only 6 x 12 x 2 inches, and rated for 1500 gph. Won’t take up much room in the tank. Can’t wait to drill this little...

Yes!  It's the white plastic kind that is about 3/8 of an inch thick. Just make sure it doesn't have a microcide in the plastic to kill bacteria. 

I dove off Jersey in the late 60’s and early 70’s and never saw any corals….in shallow water or deep water. Than again, you were lucky if you could see your extended hand in front of your face. If you could, you get out of the water and call all your diving buddies, proclaiming exceptional...

I’m not familiar with this product line, but I’d have problems with all this stuff in my house. Look at the names of all the products…my wife would be using that stuff on her hair thinking that is was some new shampoo.

Dave, thanks for the info. I barely remember that I was the one who posted that link to that info in another post: http://www.njreefers.org/joomla/index.php?option=com_smf&Itemid=26&topic=14229.msg131986#msg131986 I still have the problem of not having polarized anything. Maybe I’ll see if I...

Explained for the aquarist in simple terms: http://www.advancedaquarist.com/issues/feb2002/chemistry.htm or the simplist of terms, it provides calcium and carbonate for your corals to grow.

Yea, with $7.95 shipping! I'd rather support the local guy with this slight difference in price. With our discount, I want to say 24.06, including tax, at AO. I must say, that membership pays for itself.