Is miracle gro shake 'n feed continuous release all purpose plant food good to use?

Stats:
Total Nitrogen 19.0%
10.0% ammoniacal nitrogen
9.0% nitrate nitrogen
Available Phosphate 6.0%
Solube Potash 12.0%
Sabron Reviewed by Sabron on . Shake 'n Feed Is miracle gro shake 'n feed continuous release all purpose plant food good to use? Stats: Total Nitrogen 19.0% 10.0% ammoniacal nitrogen 9.0% nitrate nitrogen Available Phosphate 6.0% Solube Potash 12.0% Rating: 5