I'm brewing my 1st batch of beer this week and it is an ipa recipe that I got from a home brew store. Well from the 1st 10 hours I didn't see any bubbling at all... So I pressed the cap of the fermenter to see if it had pressure and it did... Then I go back 30 min later and was bubbling. So I was excited it was working so when I got back from work no bubbles. So I got worried and got on here to ask questions... Everyone said let it sit so I did form almost 48 hrs when I noticed some water was low in the valve so I said the heck with it and opened the top o take a hydrometer reading. Well it sure smelled like brew and looked pretty good on top. It had some of the hops around the bucket or something like that.. When I took my 1 st hydrometer reading after cooling after my boil it read 1.042 and the OG is 1.044-1.048. Then the reading tonight was 1.020 and my FG is 1.011-1.013. It's been only 48hrs so I'm not sure if it is fermenting just with no bubbles or what?? Obviously it dropped but I'm not sure what to do now? Any helpful advice would be great!!