8g of Epsom I poked in it took a bit of dissolving I usually pop it in a jar and shake crap out of the salts to desolve.I followed @Nosybear as best as I could.
Ca - 89
Mg - 24
Na - 36
Cl - 74
SO4 - 164
pH - 5.49
To get there I needed some Gypsum, Epsom Salt, NaCl and Lactic.
Temps are tight with new PID so happy with how it's performing !