Buy MKU Special Shatter Hash AU Online. This shatter hash is made with 19% shatter! It’s all MKU, so get ready for a seriously hard-hitting Indica hash! This extra potent hash will knock your socks off…it’s not a mellow one. MK Ultra, also known as “MKU” and “MK Ultra OG,” is a potent Indica marijuana strain made by crossing OG Kush with G13. THC 20% CBD 0% Myrcene.