Ros Hamilton Staff asked 16 years ago
My tunnel is about 8 years old and firm and good but I have awful algy on the outside. I have tried washing up liquid and Domestos bleach but the green algae (and black on the top) remains. Jeyes is not to be used on it (so the tin says) . Can you please suggest something to wash the tunnel with? I use a window cleaning sponge on a long handle as my tunnel is tall and I cannot reach the top by hand