Humidify
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| Humidify | ||||
|---|---|---|---|---|
| Released | 15 May 2007 (Update) | |||
| Members | Yes | |||
| Level | ||||
| Spellbook | Lunar | |||
| Type | Utility | |||
| Experience | 65 | |||
| Runes | 1 | |||
| Casting speed | 3 ticks | |||
| Quest | Dream Mentor | |||
| Description | Fills certain vessels with water | |||
| Animation | ||||
| Sound effect | ||||
Humidify is a Lunar spell that requires 68 Magic plus the quests Dream Mentor and Lunar Diplomacy to be cast. This 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. 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, twinflame staff, 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 | Bowl of water | 32 | ||
| Bucket | Bucket of water | 19 | ||
| Clay | Soft clay | 39 | ||
| Empty cup | Cup of water | 52 | ||
| Jug | Jug of water | 12 | ||
| Vial | Vial of water | 3 | ||
| Waterskin(0) | Waterskin(4) | 52 | ||
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.
Casting this spell while holding an empty waterskin in the desert is a requirement for the hard Desert diary.
Money making
The following money making guide is available for Humidify:
| Method | Hourly profit | Skills |
|---|---|---|
| Humidifying clay | 712,310 |
Saplings
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 | Daily volume |
|---|---|---|---|---|---|
| Acorn | 15 | 85 | 297 | 204.08 | 6381 |
| Apple tree seed | 27 | 13 | 209 | 188.08 | 5160 |
| Willow seed | 30 | 54 | 517 | 455.08 | 14623 |
| Banana tree seed | 33 | 32 | 86 | 46.08 | 2754 |
| Teak seed | 35 | 68 | 442 | 366.08 | 4448 |
| Orange tree seed | 39 | 32 | 93 | 53.08 | 1721 |
| Curry tree seed | 42 | 33 | 311 | 270.08 | 3208 |
| Maple seed | 45 | 3,365 | 4,262 | 889.08 | 25349 |
| Pineapple seed | 51 | 66 | 322 | 248.08 | 4512 |
| Mahogany seed | 55 | 208 | 725 | 509.08 | 11331 |
| Papaya tree seed | 57 | 1,369 | 2,113 | 736.08 | 16786 |
| Yew seed | 60 | 19,451 | 21,639 | 2,180.08 | 28250 |
| Palm tree seed | 68 | 16,421 | 17,966 | 1,537.08 | 18631 |
| Calquat tree seed | 72 | 476 | 1,189 | 705.08 | 10990 |
| Magic seed | 75 | 69,558 | 74,467 | 4,901.08 | 24381 |
| Dragonfruit tree seed | 81 | 136,077 | 141,133 | 5,048.08 | 5865 |
| Celastrus seed | 85 | 16,427 | 18,796 | 2,361.08 | 3871 |
| Redwood tree seed | 90 | 14,337 | 17,158 | 2,813.08 | 2396 |
Cost
| Input | Cost |
|---|---|
| 1 | 118 |
| Combo runes | |
| 1 | 451 |
| 1 | 143 |
| 1 | 178 |
| 1 | 377 |
| 1 | 379 |
| Main-hands | |
| 1 | 103 |
| 1 | 113 |
| 1 | 98 |
| Main and off-hands | |
| 1 | 113 |
| 1 | 113 |
| 1 | 103 |
| 1 | 98 |
| 1 | 98 |
| 1 | 98 |
Changes
| Date | Changes |
|---|---|
| 21 January 2026 (Update) |
The Humidify spell now works on the new seeds from Sailing as well, which are Camphor, Ironwood and Rosewood seeds. |
| 14 August 2024 (Update) |
The Humidify spell can now fill empty cups with water. |
| 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. |
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