26a "Bother to supply water - takes time where there's gallons" (8)
E?R?T?T?
43a "Seaweed backed as component of diet" (4)
Y?O?
23d "Australian crook perished crossing oceans" (8)
?I?E?S?D Looks like it must be DISEASED (Oceans = seas inside Died = perished, but if so how does Australian crook fit in?
Any help much appreciated