Also, I'm about to fabricate a DIY budget version of the Tunze 3152. I'm just waiting on the float switches from Digikey, and I'll need to model a 3d printed mount for the switch and tubing. Once I have it built and tested I'll do a post on it and share part/build details.
I am almost hesitant to post this, because I don't want to scare anyone away from this hobby, and we all have different needs, goals, and means, but keep in mind this is a pretty large tank, and because access to gear and materials is so limited here in the US, I have had to ship everything. However, it will show what a deal @Kwyet got from @Naturescapes_Rocco on that 150 setup!
Also, as I am returning to the hobby, I am having to buy literally everything from scratch. So, here you go. Cost so far, not including any fish...or plants...which I am not sure I can afford now 
At least I made half the substrate sand!| Equipment | Cost (US $) |
| UNS 150U Tank & Stand | $3,962.29 |
| ADA Garden Mat 180×60 (*150 N/A) | $129.99 |
| Chihiros Vivid 3 x2 | $1,319.98 |
| Chihirios Vivid 3 Shades x2 | $127.81 |
| GLA PRO-DS-1 Dual Stage CO2 System (Modular) | $400.00 |
| GLA Atomic V2 – Nature Aquarium Check Valve | $24.99 |
| 10 Lb. Aluminum CO2 Cylinder (empty) | $169.99 |
| Stainless Yugang CO2 Reactor (L), Clamps & Hose | $179.97 |
| Chihiros Auto Dosing System (4 doser) | $189.99 |
| Chihiros Dosing Flow Adapter | $24.99 |
| Oase Biomaster 2 Thermo 600 | $296.00 |
| Oase Biomaster 2 Thermo 850 | $440.98 |
| Jardli Glass Lily Pipe Outflow 16/22 (2) | $53.98 |
| Jardli Glass Lily Pipe Inflow XL 16/22 (2) | $59.98 |
| ARC RGB Backlight | $899.00 |
| Hakkai Stone 125 lbs (56.7 Kg) | $683.10 |
| Manzanita Wood x4 | $630.09 |
| Simplicity 5 Gallon ATO Reservoir | $149.95 |
| OASE CrystalSkim 600 Surface Skimmer | $61.36 |
| ATO Kit | TBD |
| Powersand, Soil, Sand | $200.00 |
| Misc (Hoses, tubing, media, additives) | $250.00 |
Total | $10,254.44 |
Very nice setup! It's going to look awesome. Now it's time to add plants and fish to that list.
$10,254.44 ...................... gulp !
Well, that's what I'm working onBy that logic...22 years of no vacations, does that mean I can build a whole aquascaping gallery? (jk)
. I've taken a few vacations over the last 40 years but none that cost over a couple thousand...and I'm about to sell my camper which would pay for such a setup. I think I'll stick to tanks no bigger than 120 though. I wish I'd started this hobby a couple decades ago but then again. I might not have any money in savings if that were the case 
.Well, that's what I'm working on
First, though, I better finish scaping this one!Thank you @Capraquaria for sharing this, I am 5000$ deep into this too.
Agreed, not everyone can or want to take expensive vacations, this hobby serves as an outlet for me.
Heads up, I remember reading somewhere that the older version of this adapter was a potential failure point. I wanted to go this route but decided on sticking to the in tank one. Keep your eyes open.
I have read that a number of people of had issues with either leaking, or clogging (or clogging leading to leaking), but others have had good success. We will see if it works out. I like the idea of one less thing hanging off the edge of the tank, but I will be watching it like a hawk when I start it up. I did buy a multi-pack of leak detectors to squirrel away under the cabinet. I will make sure one sits directly under the dosing adapter, though!
