Ok, so half my acans are screwed, and after all the piss-farting around, I think it turned out to be fluctuations in alkalinity. I found my dosing pumps was playing up and were dosing all over the shop. Anyways, It's been about a week since I discovered it and things look like they are settling down already. Alkalinity is stable and so is pH. Cyano and diatoms have disappeared nearly overnight. I have a couple of new simple coral additions which I have yet to photograph, I'll try and post something over the weekend.
On another note, a couple of new hardware additions:
crap photo but you're looking at the extractor fan in the back. 12v server fan powered down to 3v. runs ultra quiet and turns over enough air that I don't get that damp feel on the inside walls of the cabinet anymore.
STC1000 temp controller. Chiller and heater now run off this so there is no chance of them competing against each other and wasting power.
Old Samsung Ace Android phone running Power Outage Alarm Pro. This App will text my phone when the power goes out and when it's restored. Useless you say? Who cares, it's cool!
And this last item which I finally got my hands on last night. I had this acrylic tank custom made to replace the white bucket sitting next to the tank for ATO. It fits exactly behind the tank and is completely out of the way. Holds 18 litres and I just run a length of hose from my RO to it when it needs filling up.
NEATER?
Now I just got to find a way to make the chiller disappear!