If your Kenya tree is unhappy, what are your parameters? Do you have any test kits yet?
I have a bunch of kits, but usually only test phosphate with a Hanna checker and let the LFS test the rest of it.
The easiest cure-all in a soft corals tank is a large water change.
Maybe 20 to 30 gallons in a 75 gallon tank, for instance.
You can run a nice soft corals tank without a lot of equipment and just doing consistent water changes. Say 10 gallons a week, or even every two weeks, for a 75 gallon tank, if your fish load isn't too high.
There are plenty of beautiful soft corals that don't take a lot of work.
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What size is your tank?
What type of lighting and filters are you using?
Look forward to helping you have a beautiful tank.