RomoTech Domed Tank 30 Gal (Black)
For a 30-gallon opaque square tank with a 5 in. fill lid and an NSF-certified resin.
Amazon $206.50$206.50
The RomoTech Domed Tank 30 Gal (Black) and the RomoTech Domed Tank 26 Gal (Black) are evenly matched, rated 3.2 and 3.1. The RomoTech Domed Tank 26 Gal (Black) costs $16.51 less ($189.99 vs $206.50).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
RomoTech Domed Tank 26 Gal (Black)
For a 26-gallon opaque tank that fits under a bench or in a truck bed.
Amazon $189.99$189.99
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 25 to 49 gallons water storage tank; a clear win is highlighted. How we rank explains each one.
| Factor weight | RomoTech Domed Tank 30 Gal (Black) | RomoTech Domed Tank 26 Gal (Black) |
|---|---|---|
| Overall rating | 3.2/5 | 3.1/5 |
| Value 40% | 31 $6.88 per gallon ($206.50, 30 gal) | 28 $7.31 per gallon ($189.99, 26 gal) |
| Potable claims 25% | 100 NSF certified, food-grade, BPA free | 100 NSF certified, food-grade, BPA free |
| Features 20% | 55 0.8 in. outlet fitting, UV resistant | 55 0.8 in. outlet fitting, UV resistant |
| Warranty 15% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| RomoTech Domed Tank 30 Gal (Black) | RomoTech Domed Tank 26 Gal (Black) | |
|---|---|---|
| Capacity | ||
| Total capacity | 30 gal | 26 gal |
| Containers | 1 tank | 1 tank |
| Size (each) | 24 x 19 x 22.5 in | 26 x 18 x 19 in |
| Empty weight (each) | 19 lb | 15 lb |
| Water safety | ||
| Material | MDPE | MDPE |
| NSF certified | Yes | Yes |
| Food grade | Yes | Yes |
| BPA free | Yes | Yes |
| Features | ||
| Spigot or outlet | 0.8 in. outlet | 0.8 in. outlet |
| Stackable | No | No |
| UV resistant | Yes | Yes |
| Made in USA | Yes | Yes |