Also, read the full Bathmate and Hydromax review that includes: usage tips, model overviews, comparisons, customer reviews, and health benefits from pumping.
Before continuing, note that the below guide is based on pumps purchased from the Official Manufacturer. If you are buying from a reseller, the sizing may be different.
Initially, we recommend that you learn how to properly measure your penis.
You must prepare two dimensions: erection length and erection girth.
|MANUFACTURER’S MAXIMUM GROWTH SPECS||RECOMMENDED FOR CURRENT SIZE|
|Hydromax3 (new)||5.5 inches (14.0 cm)||5.0 inches (12.7 cm)||Up to 3.0 inches (7.6 cm)||Up to 3.3 inches (8.4 cm)|
|Hydromax5 (X20)||7.5 inches (19.1 cm)||5.5 inches (14.0 cm)||Up to 5.0 inches (12.7 cm)||Up to 3.8 inches (9.6 cm)|
|HydroXtreme5 (X20 Xtreme)|
|Hydro7 (Hercules)||8.5 inches (21.6 cm)||6.7 inches (17.0 cm)||Up to 7.0 inches (17.8 cm)||Up to 4.9 inches (12.4 cm)|
|HydroXtreme7 (X30 Xtreme)|
|Hydromax7 (X30) Wide Boy||8.5 inches (21.6 cm)||7.9 inches (20.1 cm)||Up to 7.0 inches (17.8 cm)||Up to 6.1 inches (15.5 cm)|
|Hydromax9 (X40)||10.0 inches (25.4 cm)||7.9 inches (20.1 cm)||Up to 8.4 inches (21.3 cm)||Up to 6.1 inches (15.5 cm)|
|HydroXtreme9 (X40 Xtreme)|
|10.5 inches (26.8 cm)||9.0 inches (22.9 cm)||9.2 inches (23.3 cm)||7.4 inches (18.8 cm)|
|HydroXtreme11 (X50 Xtreme)|
The manufacturer’s maximum growth specifications indicated here is the maximum penis size that will fully fit the tube. The manufacturer came up with these numbers by subtracting roughly 1 to 1.5 inches from the pump’s internal dimension to compensate for suction-seal action. If your size already reached the upper limits of a particular pump, it is a sign that you have outgrown it, and that you need to move to the next model.
The recommendations columns will correlate your current penis dimensions with a suitable pump. To arrive at these recommended sizes, we subtracted around 1 to 2 inches from the pump’s maximum growth specs to compensate penis growth.
Those dimensions are based on pumps purchased from the official Bathmate manufacturer’s website noted above.
The guide below is slightly more updated to include the 5 Series and Wide Boy models. Its measurements are closer to our tests and recommendations:
Do not just buy the biggest pump as it is not a wise choice.
Girth growth is more limited than length growth — once you gained 1-1.5 inches of additional girth, expansion in this area becomes harder. If your penis has reached the maximum girth but still has 1-2 inches allowance for length, it’s not urgent to change pump if you want to focus solely on gaining a longer penis.
If you reached either the maximum girth or the maximum length (or both), it is time then to move on to the next model if you want to grow simultaneously in both aspects. Refer to the table again to confirm if you have exceeded the maximum growth specs or if one of our recommendations matches your new dimensions.
You’ll be using your pump for a quite a while so use the sizing chart and other information provided here to choose wisely the most fitting model.
This video is from the official manufacturer and does not contain nudity.
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