Low Urine Gravity

All

i have had 2 recent urine tests about 2 weeks apart.  Everything looked good (even my UA which has always been a problem) but one came back flagged with a very low gravity (Below 1.005).  The one before that was within the lower but normal regions.  It is true that since I have been diagnosed that I am drinking a lot more water than I usually do but I remember The day of my second test (the one with a low gravity). I hadn’t been rushing water to be able to give a sample like the earlier one (which was ok).

Should I read anything into this?  If so what? I have another Urologist appt on Wed and assume I will be giving another sample then.