I suggest that you use ...
Published by Ben Ohlmeyer, Director at Envirofluid
I suggest that you use Triple7 AquaSmart https://envirofluid.com/worksafe-environmental-chemistries/water-wastewater-treatment/triple7-aquasmart as the safe alternative to chlorine and if the bore develops Iron Bacteria use Triple7 Envirobore https://envirofluid.com/worksafe-environmental-chemistries/water-wastewater-treatment/triple7-envirobore - for further information please email sales@envirofluid.com .