I've also used old bits of carpet to cover, they're a little better at retaining moisture and it won't blow away on a windy day. Just found the carpet discarded from a house and gave it a good rinse with the hose.
I've also used old bits of carpet to cover, they're a little better at retaining moisture and it won't blow away on a windy day. Just found the carpet discarded from a house and gave it a good rinse with the hose.