hiya grandad thankyou for the advice i order that sorry i ,ve not replied but been full of buzy had the kids of school poorly and had i notice their has been an algae boom in the tank i bought fully setup is the any tips you can give me i going to do a 25% water change a the week end and add some caulerpa and sum Chatomorpha to the sump has read this can also keep the nirates down and tangs like to eat the caulerpa

regards