Do plants need a water conditioner? What drops fix — and what they miss
The 'water conditioner' most people find is made for fish tanks. It neutralizes chlorine and chloramine and stops there. Plants have a longer list.
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Do you need to treat your water at all?
Brown tips or crispy edges on spider plants, dracaenas, peace lilies or calatheas.
Your city uses chloramine (most large US systems now do) or your water is fluoridated.
You've already tried letting water sit and it didn't help.
Two of three and yes:
What tap water actually carries
Chlorine gasses off if water sits; chloramine doesn't. Fluoride stays no matter what you do short of filtering or distilling. Lead comes from old pipes and fixtures. Softeners add sodium. Drops handle the first two.
Fish-tank conditioners are safe for plants at label doses, and a bottle is cheap. They just don't remove fluoride or lead, they don't add minerals, and you have to measure every time.
Drops vs. filtering
| Conditioner drops | Letting water sit | Filtered watering can | |
|---|---|---|---|
| Chlorine | Yes | Partly | Yes |
| Chloramine | Yes | No | Yes |
| Fluoride | No | No | Yes |
| Lead | No | No | Yes |
| Adds minerals back | No | No | Yes 20+ |
| Measuring required | Every time | No | No |
| Cost per month | $2–4 | $0 | About $8 in filter packs |
Watering Can With Filter and Remineralizer for House Plants
Filters chlorine, chloramine, fluoride and lead as you pour, then adds back 20+ minerals
$69 · Free shipping · 30-day money-back guarantee
plus sales tax where applicable
If you already have drops
Use them at the label dose for a bucket of water and let it mix a minute. They're better than nothing for chlorine and chloramine. Switch to filtering when you're ready to stop measuring and to deal with fluoride.
Frequently asked questions.
Better water, tonight's watering.
- $69 · Free shipping · 30-day money-back guarantee
- Free shipping
- 30-day money-back guarantee
- Replaceable filter packs