i'm sorry dood that you have them trust me, i almost give up on the hobby because of these things.
ok after many advices from everyone in here and thanks so much to everyone that gave me ideas
this is what i did
instead of using the whole vacuum grabel, i only used its tuve for changing the water since it's flexible and tiny so it can fit in little places and i'd rub the tuve on the rocks and a little bit on the sand (this is really good trust me
, i'd end up with hundreds of them ) i also used the powerhead to encrust (i believe that's what you call when the powerhead is facing the rocks)so the flatworms would go swimming and i'd put a litte filter floss on my sump.
I added 1 six line wrass, i don't know if he helped me at all but i give him a credit hehe
.
i also changed a little bit my lighting time instead of 8 hour i did 6 hours (just don't do it quick do it slowly so you don't have problems with your corals and fishes)
One time i tried a velvet slug (they only eat flatworms) and trust me the poor thing just lasted me i believe 2 days max until my anemone decided to kill it
. i waited for a year (they are hard to find) for this slug and in a day or two he was gone.
well my dood Steve just told you what happened to him and i was gonna try using flatworm exit but i guess i just wanted to try different things before using it, so i can't tell you anything about it, i believe Mungus used it ( you should look for his threads).
ohh yeah and the last one i remember someone in here told me too, is just make some water and add a little bit of flatworm exit in there and just deep your rocks and run some carbon in there too, as far as i can remember
.
I'm sure Linkki (Nikki) can give you some good threads too