ha ha . so far i know your tank is small but what is the size ??
anemone u can feed it by shrimp meat. personaly i don't think that liquid is good for anemone, is waste money to use liquide for anemone.

now no idea your tank size can not commend lar.
but for small tank u can consider use Air pump type skimmer ,not good but small size
if enough space u can consider use hang on skimmer like weipro .
but not sure your tank size can fit it or not
not using skimmer also ok. just do weekly water change , not over load .not much feeding also can keep water quality .

temperature is ok liao .
make sure that the anemone won't ocupid too many space. if not fish have not enough space to swim and unluckyly touch the anemone will get hurt or kill by anemone , ofcoz clownfish won't have this problems

can u read chinese ??
if can i can show u a link for KL fish shop information