Clean up crew

[Hilltopreef90]

I treated my tank for flatworms and unfortunately the process killed a few fish and inverts.
Also just over time I’m sure my invert population has declined.
I have a 90 gallon reef tank with 25 gallon sump
I’m wondering what type and amount of snails and other clean up crew inverts I should add to my tank ? I’m not going to go crazy adding too many but I’m curious what and how many others suggest adding!
I already have a cleaner shrimp, a tuxedo urchin and a variety of snails, many have died
I plan to add more nassarius snail and trochus, a couple peppermint shrimp and a couple emerald crabs, any suggestions ?

 

[mtraylor]

I think only you can decide what you need as every tanknis different. Sounds like you have a nice assortment. Just make sure they have enough to eat and you have enough to take care of ussues