I’m still trying to rehab this philo black cardinal, it doesn’t look worse but definitely not better. I keep a grow light for 6 hrs a day…should I increase this? I added some sphagnum moss over the areal roots a few days a go and most daily in hope of increasing humidity. Any other thoughts? When I purchased it had spider mites, but I haven’t seen any since being it home.
I’d say slowly increase the light to between 8 (at least) or 10-12 hours in the winter to 12-16 in the summer
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If it’s using a grow light exclusively, you’ll need to increase it to 12-14 hours/day.
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I run my geow lights for 14-16 hours, unless it's baby plants. Be careful with the moss, as it can keep in too much humidity and cause rot. The aerial roots are fine, until you can push them into the soil or a cup of water. That will boost growth.
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At least double the light with the fixture about a foot from the plant. I agree with the recommendation to take the moss off of the soil. It’s a nursery for fungal growth and gnats while slowing the moisture evaporation of the soil.
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