Yes, plastic chedi namukum thalparym ilayrnu but maintenance kuravalle athonda ath opt cheythath. Pine heater vachath, ivde winter time room temp oke kuravayrkm apo water temp drop akum, so tropical fishinu ivde heater venam. And airation is optional, but kuduthal fish idumpo nallathanenn kettu atha athum vachath 😊