Step 1) Take 3 clean 5-gallon buckets and fill them with RO water.  If RO not available, use filtered water.  

Step 2) Dissolve 1/4c-1/2c Lemon Juice and 1/4c-1/2c Baking Soda into the 1st bucket.

Step 3) Gently dip, swish, and swirl your freshly cut colas into Bucket 1, then rinse them off in buckets 2, then 3.  Be careful not to smash them into the sides or bottoms of the buckets.

Step 4) Drip dry, and cure as normal.