Do I need live rock in a fish only tank?
Fish-Only Tanks A fish-only tank is perhaps the most basic type of saltwater aquarium because all you have to worry about is fish – you do not need to install additional equipment to meet the needs of corals and you do not need to worry about cultivating live rock.
Is live rock good for freshwater aquarium?
The main reasons why you can’t use live rocks in a freshwater tank are: Live rocks will contaminate the water with sea salt, which is dangerous to freshwater fishes. The pH of the freshwater would be too low for the organisms on the live rock to grow.

Do copepods need live rock?
Copepods typically find their way into your tank as hitchikers via live rock, frags, and macro-algae. You can also introduce these beneficial copepods into your aquarium to help increase the diversity of species and boost populations.
What grows on live rock?
Live rock provides structure for aquascaping and biological filtration in your aquarium….Top 7 Live Rock Hitchhikers by Robert Farnsworth, MarineDepot.com Reef Squad
- Anemones. Arguably the most common (and most problematic) live rock hitchhikers are anemones.
- Bristle Worms.
- Shrimp.
- Crabs.
- Snails.
- Sponges.
- Algae.
When can you add live rock to an aquarium?

Your live rock must be fully cured before you can add any fish or invertebrates to your aquarium. The curing process, which initiates the Nitrogen Cycle, typically takes 4-5 weeks. During this time, you must also perform weekly 25% water changes. To start your live rock curing, stack the rock loosely in your aquarium.
Do saltwater tanks need corals?
Coral helps to create balance in a fish tank, so it’s wise to buy saltwater coral if you have a plethora of fish, crabs, and other sea life. Certain species of crabs, shrimp, and even fish have symbiotic relationships with corals and can benefit greatly from having them in the aquarium.
Can I use rocks from the beach in my freshwater aquarium?
The principal danger of using your own outdoor gravel and stones in an aquarium is the possibility that they contain calcium, which can. But before testing, make sure to also wash the stones thoroughly to remove all loose grit and contaminants.
Do I need copepods?
Copepods (pods) are essentially required for any reef aquarium. They perform three important ecological tasks: (1) Graze on benthic microalgae, (2) scavenge detritus, and (3) serve as food for diverse zooplanktivores.
Do copepods need algae?
on phytoplankton. Those that undergo benthic stages (which usually take place during adulthood) may consume films or sheets of algae that grow on solid surfaces. While some types might target different types of algae than others, nearly all copepods are herbivorous. And they can be quite numerous.
Is live rock necessary?
Live rock is an essential part of any saltwater or reef tank but you do not necessarily have to spend a small fortune to buy it. By making your own live rock you can save money and you can completely customize it to suit the needs of your fish and your particular tank.
What is the difference between live rock and coral?
Contrary to the name, live rock is not actually living at all. They’re fragmented sections of dead coral reefs that have broken off under intense pressure from the ocean. Though they’re no longer full of vibrant color, these rocks make wonderful homes for small invertebrates, new corals, and bacteria.
What is a fish-only with live rock aquarium?
This saltwater setup allows novice hobbyists to “get their feet wet” and become familiar with equipment, water parameters, fish, and the maintenance of marine aquariums. Fish-only-with-live-rock (FOWLR) aquariums can be described as a blend or a stepping stone that bridges FO aquariums and reef aquariums.
What is live rock for aquariums?
ARC Reef offers a version of Live Rock that has more life and critters than any other product on the market, check out our Premium Live Rock for Sale to read more about this option and how it can greatly increase the bio-diversity of our aquarium. Live Rock serves as a habitat and home to nearly all of the marine life in your tank.
How much live rock do I need for a fish tank?
Like freshwater substrate it would be 1 to 1 1/2 lbs. of sand per gallon of water and 1 to 1 1/2 lbs. of live rock. This is called a FOWLR system (fish only with live rock). If you want to avoid the cost of live sand and live rock you can use crushed coral or crushed shell.
What is live rock aquacultured coral?
Live Rock that is aquacultured in the Atlantic Ocean, known as Ocean Live Rock or Caribbean Live Rock will have more types of coral growth due to the lower levels of sediment and higher par levels. Both locations have their inherent risks and dangers from storms, wave action, and a shifting sand bed that can bury a farm’s entire crop overnight.