5000 litre water tank purification tablets ?

[Tetley]

You can use the plain bleach from Mercadona (yellow bottle).  It has dosage instructions on the side.  I worked it out as 1.5 litres of bleach for 25,000 litres of water so for 5,000 litres you will need about 300ml

spot on thanks

[Elgin]

You can use the plain bleach from Mercadona (yellow bottle).  It has dosage instructions on the side.  I worked it out as 1.5 litres of bleach for 25,000 litres of water so for 5,000 litres you will need about 300ml

[Tetley]

just wondered if anybody can point mi inthe right direction for some water tank tablets and how many i will need to do 5000 litres approx.

ta