Here is my data frame
Param1 Param2 datetime
ts
1669246574000 6.06 -1.80 22-24-11 01:36:14 UTC
1669242973000 6.50 -1.73 22-24-11 00:36:13 UTC
... ... ... ...
1668918964000 6.00 0.00 22-20-11 06:36:04 UTC
1668915364000 0.00 1.6 22-20-11 05:36:04 UTC
Output with removed zero values
Param1 Param2 datetime
ts
1669246574000 6.06 -1.80 22-24-11 01:36:14 UTC
1669242973000 6.50 -1.73 22-24-11 00:36:13 UTC