^^ well, no offense, but nobody forced you to spend all that money on rays, and buy so many of them. I have one large tank, a 300 that I set up after one full year of researching on this forum, and I have two rays, of the smallest species available, hystrix and ocellata. I think it's important to keep things simple, but a sump, UV and 24/7 drip were things that I considered essential before I even bought the tank.
I'm no expert, and I haven't been here 5 years, but 'start small and work your way up' should be common sense to starting any hobby.
Nope, they sure didn't. But, being new to rays and listening to the "experts" should be the right way shouldn't it?
Hey if you did your research before buying your first tank then great. Sounds like you would be a much better person to accept advice from.