When re-sealing a tank, which should be used: aquarium sealant or 100% silicone?

What options are there for influencing the returning colors in corals that have faded/dulled/bleached out?

The pump on my Octopus is working, but it is not creating bubbles. Any suggestions?

:eek: Will green emerald crabs help me with my bubble algae problems ? My tank is over run. Otherwise health tank, softies are doing well. I do an...

Is LED lighting just a fad or now a good replacement for T5 (actinic) bulbs? what do I need to look for in a LED light?

Are these worth the money. Everything I have look up about them so far says yes. They look amazing, but would like someones honest opinion. I have a...

Setting up a 150 gallon saltwater system. I am wondering what size and brand of quality Protein skimmers are recomended for this size system.

What causes Red Gracillaria to turn green about a week later ?

Snails dying. All levels are good. Any ideals?

What's the purpose of CO2 use?

What's an acceptable level of tds in the aquarium ?

Tunze, the German company famous for its contributions to the aquarium industry, published a book in the mid-1990s called Aquarium Ecology. This book...

Which is the best salt mix to use in a reef tank ?

I got two pairs that are breeding and doing good on that end! I'm having problems keeping the newborns alive?Will the adults eat their baby's? The...

The 2007 second edition of Anthony Calfo's Book of Coral Propagation Volume 1 has an excellent section on the husbandry of Tridacnid clams. Included...

In his 2006 T.F.H. book Advanced Marine Aquarium Techniques, Jay F. Hemdal included a section on livestock that have a poor captive survival rate,...

The two priorities to consider in a powerless tank are the heat and the oxygen levels. The equipment used to handle these issues can either make the...

When deciding to use carbon filtration in a system or not, it helps to evaluate the potential benefits versus the potential drawbacks. Martin A. Moe,...

What causes hair algae ?