My mum has two water butts that collect rain water from the downpipes.
The water absolutely stinks.
They both have lids but the water has some brown scummy stuff on the top.
Is there anything she can add to the water (that will not harm the plants)?
The water absolutely stinks.
They both have lids but the water has some brown scummy stuff on the top.
Is there anything she can add to the water (that will not harm the plants)?