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Coraline Algae needs calcium to grow, just like your corals. You idealy want 350-450. I wouldn't be suprised if it was below 350. Adding supplements?

No i can't take any pictures. I have a feeling they are a form of tube worm since they have actually taken the sand and made tubes out of it. THey can also retract into the rock itself. They are just fascinating and don't seem to be hurting anything.

Upon purchasing some live rock i got a rock anemone hitchhiker. He looks like a green polyp but has bubbles on the tips of his tentacles and has white in the tentacles as well. I know they are a type of aptasia but how dangerous are they? When i say that do they spread quickly, will they...

Yes thats what best describes what they do. They grab my sand and it moves up the tentacle like it has a built in conveyor belt. Very interesting to watch. The tentacles are in pairs and are clear white. They are roughly a half an inch to an inch long and about as thick as angel hair pasta...

So my hawiian zebra hermit crab aka tuxedo hermit crab has camped out on top of the opening of my turbo snails shell. Obviously the snail isn't coming out and the hermit crab wont move. I've harrassed him with the magnet cleaner, i've moved them to the other side of the tank and he always...

If your calcium is low - your alkalinity is most likely too high. If your calcium is too high - your alkalinity is most likely too low. If you alkalinityis too low - your calcium is probably too high. If your alkalinity is too high - your calcium is probably too low. _______________ The...

If you can do it you gotta put a theater down there with the tank for mood lighting..... My "rich" cousin has said theater but no tank. We were discussing it and he agreed thats what he was missing....

Im not entirely certain about your last question BUT calcium, alkalinity and i think PH are all related together. If you add calcium to your tank then you raise the alk. You want a stable alk of around 8 or 9 and calcium at about i think it was 400. If you alk is stable then your tank can...

Wow. You spent how long making that? I can just picture you and the misses with some kids sitting around in the nicely furbished basement staring at the shark tank you built.... I take it your basement(?) will be converted into a den of sorts?

Yes it does move. I think it detaches and drifts. Its a form of anemone i think. I heard that once. And im sure you know it stings and will spread. Kill it now

You should be ok once the rock is cured. Hair algae likes dirty water, ie phosphates in your water. So long as you are not over feeding and you don't have a huge bioload it shouldn't spread much. Keep in mind you should try adding buffered RO water to any future water changes to keep out...

Good idea on the UPS computer backups. I wondered how long they last. If you got a good one of those you could cycle the essential items on and off for a long time off of one battery. Your tank will live if the filters don't run not stop for a day or two. I would think the main factor would...

I went to the store today and noticed and engineer goby in a tank. I'd have to say yours looks more like an engineer baby than a neon..... I don't know. I guess youll find out in a few months when he grows

SaltwaterDude yes you can add to an existing tank but you have to make sure the rock is cured before adding it to an existing tank. IF you add uncured rock then you risk spiking your harmful levels and killing everything off because you started a new cycle in your tank. Your bacteria will...

If you can add all the live rock at once. It will save you a head ache later if you are trying to add live rock with an established tank. Not sure how big your tank is but you can get around 1.5 lbs in your tank per gallon. Thats a round number and it all depends on the size of the rocks and...

And don't add slowly, add all at once if you can.... I assume you have fish so that's probalby not an option.

Yes place them near some rocks. They will twist and move toward stheir final spot. IT takes a couple weeks but eventually they will "hard" attatch themselves to either your sand or the nearest rock. Just don't freak them out or they will jump their tube and may end up dying if they can't find...

Nice hiker. I want something cool like that... It looks like a neon or maybe a wrasse which one i don't know. Does it swim? or slither on the rock...

From what i remember you want to turn the tank over roughly five times an hour...SOOO you need enough power headage to do that. Those three i guess would be enough i don't know the gallons per hour. Your basic water flow in the tank should just be uniform throughout. You should have even a...

You have a proper load bearing spot for that tank? Your looking at a few tons not a few lbs..... You'd need inches thick glass too :) and some strong super glue.... Good luck with that. Would look great if you get it up.