Lean Bulking Progress - Need your advise

So I've been tracking my lean bulking weight for about 38 days so far.. I obviously scale myself morning after pee every day. I found the past few days weird I went down like a full kilo, I was like wtf? all I did is some cardio.. anyway is this progress look okay to you, should I eat more, should I eat less.. let me know.
Age: 23
Height: 173 CM
Eatting about 2300 calories or so , 3 workouts a week .


75.5 DATE: 29/10/2018
75.25
75.9
75.95
76.3
76.3
75.75
76.35
75.55
75.7
75.5
76.35
76.35
76.95
77.05
76.3
76.05
76.35
75.85
76
76.75
76.15
76.8
76.2
76.3
$
$
$
77.15
77.15
77.1
X
77.1
76.7
76.75
77.6
76.15
76.2 6/12/2018

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