What is heater? Should it be for a chef's fish aquarium?

What is heater? Should it be for a chef's fish aquarium?
=============================================================================
Don't forget to continue to support your channel with SUBSCRIBE, LIKE, COMMENT, and SHARE. Thanks.
=============================================================================
Greetings Koki Fish Hobbyists who want to request or wonder about the chef's goldfish, just comment below, please crowded the indonesian grafting characteristics.
Tips Pemilihan Pompa Air Akuarium yang baik (100%)
• Tips Pemilihan Pompa A...
Apa Saja Makanan Ikan Mas Koki? (Pakan Ikan Koki)
• Apa Saja Makanan Ikan ...
Cara memelihara ikan koki agar tidak cepat mati
• Cara Memelihara Ikan K...
Penyebab Terhambatnya Pertumbuhan Ikan Koki
• Penyebab Terhambatnya ...
Cara Membedakan Ikan Koki Jantan dan Ikan Koki Betina
• Cara Membedakan Ikan K...
============================================================================
Follow IG :
Link IG : trisula_ikan_hias www.instagram....
Email : [e-mail]
Wa: bit.ly/3DlPoSU
Thanks