Yeah if you're thinking about sunset aquarium that was on valley near san anita it closed like 3 years ago. You can try..
Goldfish PLus
(626) 966-2308
1027 N Grand Ave, Covina, CA
The guy says he has the best water, it's pretty good but its .75 cents for salt and .50 for ro/di water. He also has like everything supply wise but is kind of pricey.