Hello..good thing I happened to look in here today
First let me say that is NOT an anemone...it is a torch coral,and it is at the very top of my rockwork.I do have an advantage if something does'nt do well in my nano..I have two other tanks..one with MH and VHO lighting,the other with PC's.So far so good with the torch though.I would not recommend ANY anemone be kept in a nano.They get too big,there is no where for them to go without stinging a coral.There is not enough water volume for an anemone...if the slightest parameter were to get out of whack,the anemone could die and kill everything in the tank.And most of all,the lighting is far from adequate for an anemone,they need metal halides...period.
To make the cassette case mod, take a cassette case and take apart the two halves.Black would be nice,but I use the clear portion as I have tiny snails and tiny hermits that seem to like to venture in there and get stuck.This way I can see them and take them out.Take a pair of snips or some sort of tool with a grip,and snap off the tabs that extend upwards on the case half,so that it is flush.Place this against the intake portion...the flow will keep it there.I noticed if I lowered the water level a little bit,I got a nice downdraft effect in the case.The way I know how much water to top off in this tank is I go by the top of my Jager heater.When you do water changes the cassette case will fall away from the grate.I also notice it needs a good rinsing occasionally...water change time would be a good time for this.