Preg tests

Kelly • Pregnant with my 3rd child due 16 th of Feb I have a 3 year old daughter and in November 2015 I had a Mmc with my son 💙
My tests I did last week u cud barly see the line and now there this strong and these ones I've just taken and its night time so been drinking water all day does that mean my hcg level has risen really well? And is that a good thing that there like this now ?