I have a 50 gallon aqarium and was just wondering how many chichlids i can put in it. now i know that it all depends on size,agression,water chem.etc. well *** went ahead of myself and just bought 5 cichlids in adition to the two that where in their,so now i have seven total. im not sure what types of africans they are but when purchased they were all in the same tank, and assuming they are compatible, ieven asked the lady and she said yes, which mite be true but she also said that these fish love to be crowded and i could have up to 30 or 40!! wow!! now im no expert but something sounds fishy about that. I also have another qestion is it necessary to add salt after every water change? thx. any feed back is appreciated!!