Hornwort
Ceratophyllum demersum
easyfloatingCeratophyllaceae
Photo: S.Tanaka · Public domain
- Temperature
- 16–28 °C61–82 °F
- pH
- 6–8.5
- Hardness
- 3–25 dGH
- Light
- low
- CO₂
- optional
Leave stems floating or loosely anchored and remove shed needles.Leave stems floating or loosely anchored and remove shed needles.
Good tankmates
Avoid with
Convict cichlidEats or uproots plants.Eats or uproots plants.
OscarEats or uproots plants.Eats or uproots plants.
Bala sharkEats or uproots plants.Eats or uproots plants.
Common goldfishEats or uproots plants.Eats or uproots plants.
Fancy goldfishEats or uproots plants.Eats or uproots plants.
Clown loachEats or uproots plants.Eats or uproots plants.
Chinese algae eaterEats or uproots plants.Eats or uproots plants.
German blue ramNarrow shared temperature rangeNarrow shared temperature range
Iridescent sharkEats or uproots plants.Eats or uproots plants.
Common plecoEats or uproots plants.Eats or uproots plants.
DiscusEats or uproots plants.Eats or uproots plants.
Sources
| temperature | 16–28 | curated-v0 (needs expert review) · medium |
|---|---|---|
| ph | 6–8.5 | curated-v0 (needs expert review) · medium |
| gh | 3–25 | curated-v0 (needs expert review) · medium |
| origin | Cultivated aquarium stock; natural range needs expert review | curated-v0 (needs expert review) · low |
| notes | Leave stems floating or loosely anchored and remove shed needles. | curated-v0 (needs expert review) · medium |
| beginner friendly | true | curated-v0 (needs expert review) · medium |
| care level | easy | curated-v0 (needs expert review) · medium |
| color palette | #4D8141 | curated-v0 (needs expert review) · low |
| light | low | curated-v0 (needs expert review) · medium |
| co2 | optional | curated-v0 (needs expert review) · medium |
| growth rate | fast | curated-v0 (needs expert review) · medium |
| placement | floating | curated-v0 (needs expert review) · medium |
| invasive risk | false | curated-v0 (needs expert review) · medium |