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Discuss water requirements, "soil" (growing media) and suitable planting containers

Moderator: Matt

By Natedawg
Posts:  47
Joined:  Wed Oct 04, 2017 7:16 am
#343636
If CP's don't rely on the media for nutrients, then why ever change it out? If there isn't any fungii or infestation of some kind, then why not just give it a good rinse every now and then? I mean, I don't go out in my landscaping and pull everything up for my other plants and they do just great. If the pot is large enough, could they stay in it indefinitely? I'm just curious since CP's don't rely on the soil for sustenance.
By mouthstofeed
Posts:  477
Joined:  Fri Apr 07, 2017 1:07 am
#343637
I have had that question too. Allegedly, soil goes sour. It hasn't happened to me yet, so I have just let the plants be.
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By Ping
Posts:  191
Joined:  Sun Jan 10, 2016 3:04 am
#343638
I believe it's because it breaks down and eventually becomes anaerobic.
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By Artchic528
Location: 
Posts:  646
Joined:  Sat Aug 15, 2015 8:13 pm
#343641
As water flows through the media it awakens microbes that lay in suspended animation while the media was dry. These microbes then absorb oxygen in the media. As time goes on, these microbes multiply and their numbers grow exponentially. This renders the media anaerobic in a matter of several months. As the microbes multiply and absorb the oxygen, they will break down the media through decomposition, which releases a multitude of nutrients being released.

Thus, it's advisable to repot or change out the media annually or or every other year. I prefer annually and do so in early spring when the plants are just emerging from dormancy.

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By Natedawg
Posts:  47
Joined:  Wed Oct 04, 2017 7:16 am
#343648
Very interesting. Would utricularia slow the process? Not that I am too concerned about changing the media.
By Big-Jack
Posts:  353
Joined:  Sun Jun 12, 2016 7:46 pm
#343649
From what I understand in a natural bog the peat is soaking in a stagnant acidic water table keeping the peat in an almost sterile, preserved state.

In a small pot the acid gets flushed out over time allowing bacteria to start breaking down the peat into increasingly dense compost. It essentially converts into potting soil full of nutrients and microorganisms which VFT's can't tolerate.
By Fieldofscreams
Posts:  1315
Joined:  Wed Sep 06, 2017 11:14 am
#343661
Next spring will be the last time I repot annually. I'm going to do it every two years from then on.

I have my Ventrata nep in the same pot and soil for two years now, it's still growing like a weed.
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By optique
Location: 
Posts:  808
Joined:  Fri May 24, 2019 11:15 pm
#343662
I wouldn't use epiphytes to test what works for VFT's

just watch your plants, one day they will run out of gas. growth will slow then halt when re potting is needed. if your plants sit in water this day will be in 1st two years. If you top water with no trey this day could be 3-5 years away. I read sulfur tablets can slow this down by keeping PH lower, I have not tested.
By steve booth
Posts:  920
Joined:  Mon Jul 18, 2011 11:15 am
#343975
Another consideration is that the medium looses its acidity as it is watered (unless it is in a relatively large bog with a Sphagnum cover) and over a couple of years tends towards a nutral PH. Once the acidity level drops this allows the medium to start decomposing and his releasing nutrients, which can be detrimental.
Cheers
Steve
By AnySpringer
Posts:  5
Joined:  Wed Mar 31, 2021 2:44 pm
#376890
My mother always said that it's important to change out the soil. We did that every spring, so the soil couldn't get dangerous to the plants.
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