Humidify

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Humidify
Humidify.png
Released 15 May 2007 (Update)
Members Yes
Level Magic 68
Spellbook Lunar
Type Utility
Experience 65
Runes 1Fire 3Water 1Astral
Casting speed 3 ticks
Quest Dream Mentor
(plus Lunar Diplomacy)
Description Fills certain vessels with water
Animation
Humidify.gif
Sound Effect
Humidify icon (mobile).png

The humidify spell will fill all empty water-carrying vessels in a player's inventory with a single cast including: buckets, fishbowls, jugs, vials, watering cans (including Gricoller's can), unwatered saplings, waterskins, bowls, and clay. Somewhat surprisingly, it does not work on Empty cups. It yields 65 experience per cast regardless of the number of vessels filled. It can also be used to extinguish the wall of flames in the Chambers of Xeric when fighting Great Olm or to refill waterskins in the Kharidian Desert instead of needing to cut cacti.

A steam battlestaff, or staff of water and tome of fire or vice versa can be used for maximum efficiency. It can be used to train Magic while making profit from some of the items below:

Input Output Profit
Bowl.png Bowl Bowl of water.png Bowl of water 52
Bucket.png Bucket Bucket of water.png Bucket of water 28
Clay.png Clay Soft clay.png Soft clay 39
Jug.png Jug Jug of water.png Jug of water 27
Vial.png Vial Vial of water.png Vial of water 1
Waterskin(0).png Waterskin(0) Waterskin(4).png Waterskin(4) 91

To maximise experience per hour with this spell, put a fishbowl underneath the spell (similar to High Level Alchemy) and to the "F1" and "F6" keys (or custom F-keys) to switch between spellbook and inventory. Left-click empties the fishbowl. Casting High Level Alchemy is always cheaper when alchemising profitable items while this method always results in loss. Upon hearing the sound effect, all vessels have been filled.

Saplings[edit | edit source]

Because it is time consuming and gives little to no experience, planting tree seeds in filled plant pots to grow saplings is often skipped in favour of buying the saplings directly from the Grand Exchange. This opens up an opportunity to grow saplings for profit. Like all methods involving large amounts of buying and selling, which require a relatively high capital to start, it is recommended to test the market by growing one sapling first to make sure it is profitable.

To plant the seeds in the pots, use one of them on the other with a gardening trowel in your inventory. This produces a seedling. When all the plant pots are filled with seeds, cast Humidify to water them. These watered seedlings will take approximately five minutes to turn into saplings, but this will happen even when banked. Repeating this process quickly will make around 1,700 saplings an hour.

Please note that tree seeds have a relatively low buying limit, so you may want to stock up on them beforehand, or grow several different trees at once.

Click here to refresh the prices on the table below.

Tree seed Farming level required Seed price Sapling price Profit per seed
Acorn 15 50 411 354.12
Apple tree seed 27 5 279 267.12
Willow seed 30 496 930 427.12
Banana tree seed 33 6 206 193.12
Teak seed 35 53 343 283.12
Orange tree seed 39 6 106 93.12
Curry tree seed 42 7 314 300.12
Maple seed 45 18,068 19,376 1,301.12
Pineapple seed 51 64 360 289.12
Mahogany seed 55 1,153 1,881 721.12
Papaya tree seed 57 3,883 4,888 998.12
Yew seed 60 58,316 60,659 2,336.12
Palm tree seed 68 38,135 40,400 2,258.12
Calquat tree seed 72 165 773 601.12
Magic seed 75 133,454 135,522 2,061.12
Dragonfruit tree seed 81 178,686 186,151 7,458.12
Celastrus seed 85 88,441 93,834 5,386.12
Redwood tree seed 90 41,730 43,602 1,865.12

Cost[edit | edit source]

Spell cost
InputCost
1Astral rune.png1Fire rune.png3Water rune.png142
Combo runes
1Astral rune.png1Fire rune.png3Mud rune.png586
1Astral rune.png3Water rune.png1Lava rune.png144
1Astral rune.png3Water rune.png1Smoke rune.png251
1Astral rune.png3Steam rune.png497
1Astral rune.png1Fire rune.png3Mist rune.png472
Main-hands
1Astral rune.png1Fire rune.pngStaff of water.pngAlt127
1Astral rune.png3Water rune.pngStaff of fire.pngAlt137
1Astral rune.pngSteam battlestaff.png122
Main and off-hands
1Astral rune.png3Water rune.pngTome of fire.png137
1Astral rune.png1Fire rune.pngTome of water.png127
1Astral rune.pngStaff of water.pngAltTome of fire.png122
1Astral rune.pngStaff of fire.pngAltTome of water.png122

Changes[edit | edit source]

Date Changes
9 September 2021
(update)

Gricoller's Watering Can may now be filled by casting the Humidify Spell.

30 October 2014
(update | poll)

The Lunar spell Humidify will now work on saplings held in your inventory.

15 August 2013
(update | poll)

The 'Humidify' spell can now be used to soften clay.

22 February 2013
(update)

This content was included when the Old School RuneScape servers officially launched.