It fills slowly overnight from a garden tap.... its empty nearly , when i get home..... is it ok then to fully submerse?
i used one for the first time today ,worked a treat . but when i got home all the fish were dead >:(next time y ou post tips on here please also mention the negative as well as the positive . please think some of these idiotic tips through properly.
Trick is to keep your fish in the van tank with the heater on : They love the exercise and like to travel. I take mine everywhere - custy's love it.