Hi Juanda!
Welcome to AQ!!! Hope you find our community helpful to your fishkeeping pursuit and become an active member here!
Do read these 2 threads to help you get the most out of our forums.
http://www.aquaticquotient.com/forum...ad.php?t=16285
http://www.aquaticquotient.com/forum...ad.php?t=12916
Cheers,
Bookmarks