Most of what I spent went towards the lights and the flow. Everything else was far cheaper so easier to buy over time. I spent around 2k to get my 120g fired up. About 3k more over the year or two, trying out different sump equipment and buying livestock. No regrets! I feel like I got by pretty cheap compared to those using an apex or ghl.This hobby is expensive even if you buy everything used. I’m wondering in the first few months/year…how much did you spend on everything? I’m curious. I just did some math and 2 months into it with a 20 gallon tank I’ve spent around $1,500 USD! I also realize like anything you acquire things overtime and most don’t buy everything they’ll ever need all at once. It’s hard and addicting lol. And omg coral is so expensive especially considering some frags are hundreds or thousands of dollars. But I will say it’s something I saved for but never expected to spend this much.