kalau biasa ape yg ak buat, 1st ak mati kan dulu pump....then bru lap kat dinding tank pakai span....dah ok baru ak sedot air kuar....n ak bwk kuar dlm 30%...ikan x bwk kuar, biarkan sbb takot stress bila tukar2 tempat nie....air yg kotor td, ak guna utk cuci filter media....sbb ape yg ak bce, kalau kita cuci filter media dgn air paip, bole mnybbkn bateria baik kat filter media tu mati....masuk anti klorin dlu....ikot sukatan lah....then baru masuk air.....idopkan pump....dlm 15 minit mcm tu, bru ak msk kan garam...tp biasa ak dah larutkan dulu la b4 masuk tank....nie cara ak......mgkn ade org lain pny pndpt yg lagi ok....^_^