In direct G-Mode, the tube will break once Samus moves after exiting G-Mode or when the Power Bomb finishes detonating, whichever is later. In indirect G-Mode, Samus must exit G-Mode before the Power Bomb explodes. Either way, it is recommended to exit G-Mode before the Power Bomb goes off to be safe. Jump as the first action to gravity jump to the top of the room. This can only be attempted once.

Entrance condition:

{
  "comeInWithGMode": {
    "mode": "any",
    "morphed": true
  }
}

Requires:

{
  "notable": "Breaking the Tube Gravity Jump"
}
{
  "not": "f_MaridiaTubeBroken"
}
"canRiskPermanentLossOfAccess"
"h_canArtificialMorphPowerBomb"
"canSuitlessMaridia"
"canTrickyJump"

Clears obstacles: f_MaridiaTubeBroken