Not every rack offers the same increments. A jump between available pairs may feel much larger than the change you expected. Keep that equipment reality in mind when planning progression. The next labeled weight is an option to evaluate, not an automatic instruction. Appropriate programming should account for what you can control and the equipment you actually have.
Record the exact pair used and the conditions of the set. Keep repetitions and execution clear enough to compare across sessions. If you try a different weight, introduce it sensibly within your plan and seek qualified guidance when needed. Do not change the movement dramatically just to claim that you used the heavier pair.
Consider other useful observations while the load remains unchanged. A more repeatable setup or steadier execution can provide information about your practice. Avoid inventing a complicated progression system solely because the rack has uneven gaps. A coach can help choose an approach suited to the exercise and your experience without turning every visit into a test.
When training at a different facility, label the equipment change in your log. Dumbbell shapes and increments may differ, and that context matters. A clear record helps you understand the work instead of comparing labels in isolation. The aim is a deliberate sequence of sessions, with weight choices that serve the movement rather than dictate it.