Mix it with sulfur to obtain 
Preserving Salt.
Supply Drop (level 3, double) level 3+ · 45 spawn points · can be a blueprint 20% Supply Drop (level 3) level 3+ · 45 spawn points · can be a blueprint 20% Supply Drop (level 3, double) level 3+ · 155 spawn points · can be a blueprint 20% Supply Drop (level 3) level 3+ · 169 spawn points · can be a blueprint 20% Supply Drop (level 3, double) level 3+ · 103 spawn points · can be a blueprint 20% Supply Drop (level 3) level 3+ · 103 spawn points · can be a blueprint 20% No tips here yet — be the first survivor to leave one.
Leaving tips is for survivors on the rewards list — reserve your rewards with your e-mail once and the form unlocks everywhere.
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Absorbent Substrate 
Achatina Paste 
Alpha X-Triceratops Skull 
Amargasaurus Spike 
Ammonite Bile 
AnglerGel 
ARK Anniversary Surprise Cake 
Beer Liquid 
Black Pearl 
Blue Crystalized Sap 
Blue Gem 
Bunny Egg