Can Black Molly live with Blue Phantom Pleco?
Caution — with care
Why
- No overlapping water hardness: Black Molly wants 12–30 dGH but Blue Phantom Pleco wants 5.5–7 dGH.
Sweet spot: both do well at 75–82°F and pH 7–7.6 — aim there.
Side-by-side
| Black Molly | Blue Phantom Pleco | |
|---|---|---|
| Temperature | 72–82°F | 75–82°F |
| pH | 7–8.5 | 6.5–7.6 |
| Hardness (GH) | 12–30 dGH | 5.5–7 dGH |
| Adult size | 4" | 7" |
| Temperament | Peaceful | Peaceful |
| Min tank | 30 gal | 55 gal |
Together, plan on at least 55 gallons.
How to make it work
- Target the overlapping water-parameter range and acclimate slowly.
Sort it with: GH remineraliser
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Design a tank with Black Molly, Blue Phantom Pleco →Everything compatible with Black Molly · …with Blue Phantom Pleco