“Litter can be dangerous to divers, particularly nets which they can get entangled in, and it can be dangerous to wildlife - again nets carry on fishing after they’ve been discarded,” diver Keith Hiscock told the BBC.
“We’re keen to bring this site back to as close as possible to natural.”
Up came the usual culprits - plastics, bottles, cans, glasses, tyres and a traffic cone.
Not surprisingly for Hoe waters, out too came deckchairs, fishing rods, weights and line – and the ubiquitous netting.
In an incident off-camera, a reporter from BBC Spotlight who dived with the group needed help after running foul of some discarded fishing line as he gathered litter from the seabed.
A 2m length of line, itself caught up in an abandoned net tied to the bottom, became entangled around a leg and his cylinder first stage.
He was cut free by his buddy.
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