RUMS WHICH ARE BLENDED AND OR BOTTLED AT A SPECIFIC ABV ARE FIRST BLENDED IN STAINLESS STEEL AND ROUGHLY PROOFED USING A HYDROMETER Published May 23, 2019 at 3024 × 4032 in MHOBA Rum – A South African Farm to Bottle Story ← Previous Next → Rums which are blended and / or bottled at a specific ABV are first blended in stainless steel and roughly proofed using a hydrometer