Hydrolite
Aquarium Advice Apprentice
Just found this in my roomates tank. Can someone please help identify? Bad or good? Is this bubble algae or possibly egg sacs?
Green bubble growth
- Thread starter Hydrolite
- Start date
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Just found this in my roomates tank. Can someone please help identify? Bad or good? Is this bubble algae or possibly egg sacs?
ccCapt
SW 20 & Over Club
Bubble algae - valonia. Not a good thing since it can spread pretty quickly.
OP
OP
Hydrolite
Aquarium Advice Apprentice
What is the best way to remove? I believe these can burst and spread if not removed properly. I heard male emerald crabs can be helpful? Any other natural suggestions?
ccCapt
SW 20 & Over Club
Take the rock out of the tank and scrape it off. It comes off pretty easy.
MacDracor
Aquarium Advice Addict
Avoid the emerald crabs. Just do what ccCapt suggested.
OP
OP
Hydrolite
Aquarium Advice Apprentice
What's wrong with emerald crabs?
Phranque
Aquarium Advice Addict
Second that.... after scraping it, rinse it with tank water.
Emerald crabs can get a taste for corals. Some do, some don't, but not worth the risk, IMO.
Crystal A
Aquarium Advice Addict
Agree got rid of mine he developed a taste for my hammer coral. Almost killed a entire head and it is still struggling. 
MacDracor
Aquarium Advice Addict
It may be only my opinion, but it's not a question of if, but rather when. Crabs are opportunistic feeders that will eat whatever they can find. I have had two emeralds. The first attacked three corals within an hour of introducing. The second was well behaved for over two months before it ate a coral to death. Browse the forums and you'll find many similar stories. Avoid crabs. Which sucks because they're really cool.
