On Jan 24, 9:53*pm, "Bill Grey" wrote:
A speaker at our gardening club told us (and showed us an example) that he
puts newly bought bags of compost through his shredder. *This "fluffs up"
the compost to a fine tilth removing the compacted lumps one tends to get..

If this sounds daft to some of you, I'm only relating what the speaker said.
Please don't shoot the messenger :-)

Bill

Use your own compost or the stuff from the recycle centre. (£2/big bag
round our way.)
Put it through the riddle. Much cheaper all round.