OP OP B Bruben Fish Fanatic Joined Oct 4, 2021 Messages 81 Reaction score 42 Location Cheltenham Oct 11, 2021 #16 Can confirm there is no fizz with vinegar on either the Limpopo sand or my ceramic ‘rock’ so the mystery remains unsolved
Can confirm there is no fizz with vinegar on either the Limpopo sand or my ceramic ‘rock’ so the mystery remains unsolved
