Sounds like a wrestling tag team lineup. Like some major personalities too. Poor guy and you have to be a vigilant ref plus too.
>>You think that new addition of the T bar cichlid will mix things up?
I know they tell you to change around the landscaping when you add a new tank mate to an existing community of aggressive fish. Well I don't want to change my landscaping around. Over time I change the design; take away and add things--improve. With the rocks and realistic ornaments I have-- their placement is best where it is--so I change out fish, fish communities between tanks.
With aggression levels of my 2 large cichlids, it doesn't make any difference.
I want to add my largest angel to a cichlid tank--I am thinking harassment will ensue, maybe not. But he is a showpiece in my livingroom, him and crowntail betta in another tank.
As for your sand darkening the background and on the other changing the fish color, are you OK with it? I have been giving it some thought.
Does changing the light LED color make a difference. If I don't like an effect, I change it. I saw the Baja blue sand, it was cool, but it was kind of dark -- that was for my tank, might make your parrots pop. I am thinking the Hawaii blue for one or two of my tanks. What I did when I chose too dark of a blue gravel, I mixed in lighter shades of blue and then the manufacturer changed the shade of the lighter blue even lighter. The effect of the 3 shades was/is good though. Sometimes the actual product color is different from.the color samples shown due to photography light. I don't know how true this sand color is to samples shown of Sandtastik, haven't gotten mine yet. Also a small sample of white shown against white paper can look different then a larger quantity if the actual product. I worked as optics tech for an opthalmologist and optometrist quite a few years before I started my gym.
If you are not happy with the effect, what about test mixing lighter shades of blue. Buy the 1 lb bag of lighter shade of sand for $5 and do a small test mix. If you are loathe to spend more money--well you already made a major investment. Buy small amounts over time until you achieve the color you like.
Did you say you have white sand in storage? What about doing a small test mix outside the tank with that?
Back/ footlights or spotlights for your backgrounds. All these are ideas for you. Maybe you have thought of them already. I laid down after I was done with everything and I was out, so I didn't hear the notification of your last entry.