Hi Henless, does the colour of the bucket make a difference to the algae build up? I will try to source a blue bucket but haven't seen any in the stores in Perth. Put the new elbow pvc bucket feeder in the pen yesterday and took out the open feeder they have been using the last week or so. A few of them used it but the majority didn't. By the end of the day there were allot of hungry chicks. I wonder if my holes are too small, too long, too high or if the chicks just got lazy using the other feeder??? I've put the old one back in as well as left the new one in brooder. Will keep monitoring them.