REDUCE THE ARMONICS SOUNDS BATA DRUMS

Greetings to all. my name is Levy and I am from Venezuela. and I have a Meinl fiberglass bata drum set. I'm starting to study these Afro-Cuban drums. excuse my English but I use a translator for you to understand me. I HAVE A PROBLEM WITH MY DRUMS: harmonics, or "ECOS" excessive when playing on the "chacha".
Some congas have this problem.
There is a way to reduce these sounds to make it look more real?
I put plastic tape on the surface of chacha and i placed some FARDELLA in Enu that has reduced the harmonic in the Enu . I changed the original bufalo skin. You can put something inside the shell for reduce this sound?
There is a way to reduce these sounds to make it look more real? help me please. thank you.
Levy From Caracas Venezuela.
Some congas have this problem.
There is a way to reduce these sounds to make it look more real?
I put plastic tape on the surface of chacha and i placed some FARDELLA in Enu that has reduced the harmonic in the Enu . I changed the original bufalo skin. You can put something inside the shell for reduce this sound?
There is a way to reduce these sounds to make it look more real? help me please. thank you.
Levy From Caracas Venezuela.