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You are all talking about the specific gravity, which is not salinity. Sp. gravity should be around 1.024 - 1.027. Salinity should be 35-36 ppt.

I've apparently inherited a fiddler crab when I purchased live rock for my tank over 5 months ago. At that time, I did see a small crab on one of the rocks as I was cleaning it. I couldn't get the crab out of its crevice, so I forgot about it. Since then I have never seen the little guy in my...

I'll throw in my 2 cents. I put in 2 stalks of broccoli each week. I cook (nuke) it for 30 seconds and then attach it to a rock with rubber bands. My yellow tang loves to nibble on it, and its is amazing and fun to watch all the hermits go after it too.

Contrary to other posters, I've tried peppermint shrimp to rid my tank of aptasias. They did nothing. My recommendation, mix some kalkwasser with just enough water to make it somewhat fluid. Get a syringe, one of the 5ml types you get in some test kits works well, and inject some of this this...

There are places on the internet where you can purchase fully cured live rock. Costs a bit more, but worth it in my opinion. When I moved my 55 gal to a 120 gal, I purchased approx. 130 lbs of the fully cured and added it to the 70 lbs I had in my 55gal. I set up the 120 and added all my...

I work for the Denver Water Dept. Our treated water is very low in copper, and I assume most treated water is probably low. I do know that copper is supposedly on of the worst heavy metals as far as aquariums go, especially reef/corals. The only treatment I know or that I would trust is using...

Oops I posted twice!! Corals can absorb/ingest many different types of foods. As I noted I use five different foods and vary the diet. The foods I use are phytoplankton, zooplankton, Kent Microvert, Marine Snow and a home made recipe.

Yes, you have to feed them. Most corals not only need adequate light and good water quality, they also require food - and actually quite a bit. If you get the chance, buy or borrow the book Aquarium Corals by Eric Borneman. He is much more thorough, but to summarize, he contends most people...

Yes, you have to feed them. Most corals not only need adequate light and good water quality, they also require food - and actually quite a bit. If you get the chance, buy or borrow the book Aquarium Corals by Eric Borneman. He is much more thorough, but to summarize, he contends most people...

I've had the same problem with other calcium test kits. To be conservative, I always used the initial change to purple. Since, I've started using the SeaChem Reef Status kits. They're a bit $$, but there is no question of when the color change occurs.

You should "make-up" for evaporated water every day or more often if possible. ADD ONLY WATER NOT SALT WATER MIX!!!! (The water evaporates - the salt does not). For your 55 gal, try to change 12-15 gal per month. You can do this all at once or if more convenient, change 3-4 gal each week...

Another BIG vote for Borneman. I bought his book and began using his principles about 2 months ago. My 120 reef has always been pretty good, but since I've been following his principles of husbandry I've been getting coral growth like I never had before!! I never harvested any of my corals...

Info I've read state that since Hammer Corals are fairly easy to maintain, they are very good indicators of your water quality. Since yours is not fully expanding, you must have water quality problems. Not going to venture a guess. Get some test kits!! ;)

I think this is a new approach that is coming into the hobby. I've read the same about coral - they need to be fed. They do need light, but they are animals that also require lots of food. In a closed system this can be problematical since excess food can polute the water, etc. But if you...

Hello all - brand new to the forum and looking for some answers. Been running a 55 gal reef tank for some years and am planning to go bigger this summer. Already bought the new 120 gal tank, stand and canopy. Been doing some research before buying new equipment and have a few questions...