i started my 38 gal like 2 weeks ago i use live rock live sand and bactira to establish my tank i added eel and fish like 20 mins after tank setup and i bought the salt water i didnt make it fish r happy n eating good i was hopeing i could do the same for the 150 gal????????????
INNEED if that's true you need to slow down a bit and do some reading. It will help you and your future pets. It will also save you a lot of money, trust me.
You'll need to cycle the tank a bit more than your 38G, Rays can be sensitive fish and need stable conditions.