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Any bit for drilling concrete will work on rock as well. As far as size, I don’t know what plugs you have, but mine fit into an egg crate shelf which has ½ inch openings. So for me, half inch would be just fine.

How do you know it a tank is tempered? If you know the manufacturer, call them and ask. It is my understanding that bottom glass typically is tempered while side glass typically is not. If you don’t know who the manufacturer is, you might want to try this...

There use to be a recovery plant in Cape May. I believe the reason it closed was that it cost more to extract the trace elements than the elements worth. Not to mention that the elements die in the winter. ;D ;D :o

I’d buy a couple of gallons and soak full concentration (which I believe is only 5%). Do this by leaning the tank and painting the vinegar over the incrusted areas every so often. It will loosen the stuff up where it can be easily wiped off or scraped off. Wear rubber gloves…it is an acid.

Vinegar Vinegar is a weak acid.  Soak in vinegar will loosen up / dissolve all that caked on salt and dead coraline. Die grinder....no way! lol

Come on…it’s winter time, so all the potassium is dead. The answer would therefore be zero. You can’t fool me with these trick questions! ;D ;D ;D

As I’m typing, onefish jumped in to answer…anyway, my two cents: I will speak for the convention and not for those of us who are daring enough to try other means of filtration.  I am still in awe of the guy on Long Island who is running an under-the-gravel filter (in reverse) on his saltwater...

Arvind, I see you are in Edison….we’re in Sayreville. You are welcome to stop by and see what we have. As far as the canopy, the type of lights you wish to install will, in part, drive some of the design elements. We are still kicking around canopy designs, as well as the side cabinet.

That is unequivocally not true…unless you have the entire tank and rest of the sump covered with a top. However, it is typically where you have your sump marked and use that mark to determine how much make-up water needs to be added due to evaporation. That evaporation occurs throughout the...

Here's a link for a foam / rock wall DIY: http://www.aquariacentral.com/forums/showthread.php?t=181218

What we did for a 40 breeder sump was first determine what was going in each section and than make those sections big enough to fit that stuff. The first section was 6 ½ inches to fit an ASM skimmer. The refugium was 17 inches wide. And the return section was only 6 inches wide….Enough room to...

Being 100% of Irish descent, it’s great to see one of our people in the White House again.  Not since Jack have we had the Irish connection.  And now I’ll guess we’ll have to change the Irish drinking toast, “God invented whiskey so the Irish wouldn't rule the world”....I'll drink to that!  ;D

Congratulations on your catch of fish! I still can’t believe you had two sixlines in a 75g….and both are still alive. That’s the “success” story, in my eyes. Wow! Now the big question…where are they now?

According to RC’s above build instructions, a six foot tank requires 2 x 6 upper braces while all other framing members are 2 x 4. Here’s Onefish’s “Tale of the Tank” thread were he built the RC frame for a five foot tank...

Here's the link for the Borneman fragging video: http://www.njreefers.org/joomla/index.php?option=com_smf&Itemid=26&topic=9604.msg91353#msg91353

http://www.orafarm.com/

For freshwater tanks with high light levels you must us CO2. As mentioned, you don’t need to go with expensive tanks and gauges. You can build a simple DIY bubbler using yeast.

Consider bamboo…it’s a green building choice and is solid wood through and through. Most other floors today are laminates and don’t hold up well to water and wear. They actually make a bamboo that looks like other typically woods. Check it out, you wouldn’t be disappointed….and mikem is your man!

I will let others respond who have a better eye than me, but that looks like an aiptasia anemone to me.

Here’s two reference articles on “pods,” amphipods and copepods: http://www.reefkeeping.com/issues/2004-09/rs/index.php http://www.reefkeeping.com/issues/2002-10/rs/index.php