Probably not - You would need to convert from the cold water supply towards the feed tank then drain it off (the cylinder stays complete). Following that you could possibly substitute the gate valve Preferably with one of those: Place your remaining 2 fish within the quarantine tank. Thoroughly clean https://kameronku6x7.wssblogs.com/31974916/the-2-minute-rule-for-how-to-isolate-tanks