It's been a rollercoaster ride with these things! As a result have missed a week of journalling. Had one plant lose all its fan leaves after the tips went brown, discovered that perlite had all bunched up in one thick later and soil was smelly and soaking wet. Same with the others so all repotted into new dry soil and perlite. Not ideal but they seem to be ok now. Plants then had to be moved into the shed because of wife's allergy to the flowers (I know, lame right). Have 500w on them for 12 hours. Ph is still high can not seem to get it down. Grow light can be seen shining under shed door so can't have it on at night because of nosy neighbours. Will move tent into shed tomorrow. Thankfully winter time here in Australia so they won't get fried in there.