The Orchid Forum, for the UK and Europe (previously known as The UK Orchid Forum) • View topic - Delicate Question
It is currently Wed Oct 18, 2017 4:55 am


All times are UTC [ DST ]




Post new topic Reply to topic  [ 10 posts ] 
Author Message
 Post subject: Delicate Question
PostPosted: Tue Jan 06, 2015 7:53 pm 
Offline
Probably run out of new things to post
Probably run out of new things to post
User avatar

Joined: Tue Jan 24, 2012 11:15 pm
Posts: 1359
Likes: 470 posts
Liked in: 311 posts
Images: 32
I live in: Ireland • Éire
My nearest city or region is: Wexford
My hardiness zone is: 9 (usually)
Hello there,

I grow a large number of orchids in the house - maybe 70 - plus many other plants. I have humidity trays under all my orchids.
Lately we have noticed some mould developing on the walls.
It seems to have coincided with the increased in my plant collection ( maybe) and my husband is convinced it's the plants' fault. The problem is mostly in the kitchen, where the greatest concentration of plants is.
Has anyone else encountered this and, if so, what do you do to combat it?
Thanks.

_________________
Rachel

Coming increasingly to the opinion that the Hokey Pokey IS what it's all about.


Check out my YouTube channel, Gardening at Douentza : https://www.youtube.com/c/gardeningatdouentza


Top
 Profile  
 
 Post subject: Re: Delicate Question
PostPosted: Tue Jan 06, 2015 8:31 pm 
Offline
Spending more time here than healthy
Spending more time here than healthy

Joined: Sun Jan 05, 2014 4:12 pm
Posts: 223
Likes: 0 post
Liked in: 85 posts
I live in: United Kingdom (England)
My nearest city or region is: Lincolnshire
We have the same problem, and whilst the jury is still out, at the moment I think that the plants will be found innocent. My wife insists the plants are guilty and certainly the areas where they live are amongst the worst affected, but.....

Sorry no solution, other than increase the ventilation and try a dehumidifier. I have been amazed at just how much water they extract.

And compared to the amount of steam that I make when cooking, the plants' impact must be minimal.
That's my logic and I am sticking with it :D


Last edited by Stevec2 on Wed Jan 07, 2015 6:19 pm, edited 1 time in total.

Top
 Profile  
 
 Post subject: Re: Delicate Question
PostPosted: Tue Jan 06, 2015 10:58 pm 
Offline
Probably run out of new things to post
Probably run out of new things to post
User avatar

Joined: Fri Jan 02, 2009 11:35 am
Posts: 1385
Likes: 23 posts
Liked in: 372 posts
Images: 513
I live in: United Kingdom (England)
My nearest city or region is: Bristol
My hardiness zone is: UK zone 8b
Rachel, I take over a spare bedroom in the winter for my warm loving plants. They are under a 400w light that also produces a fair amount of heat. Very little ventilation in this room as I don't want to introduce cold draughts but I do have a large fan going 12 hours a day.

By the Spring I have black mould specs all around the window and walls.

My guess is that the plants are the cause of your problems. Are you sure the humidity trays are necessary in the Winter? They will be more of a problem than the plants themselves and I rarely use them for the plants I grow.

_________________
Terry


Top
 Profile  
 
 Post subject: Re: Delicate Question
PostPosted: Wed Jan 07, 2015 1:02 am 
Offline
Global Moderator
Global Moderator
User avatar

Joined: Thu Jan 01, 2009 10:35 pm
Posts: 985
Likes: 108 posts
Liked in: 78 posts
Images: 11
I live in: United Kingdom (England)
My nearest city or region is: Nottingham
My hardiness zone is: 8b -6.7to-9.4
Think I have found a solution, positive ventilation system! Think I will invest in one for my house. The idea is the the fan draws air in the loft through the filters, push this air in to the house(landing)which is positive pressure, so like a filled balloon! This positive pressure finds gaps, or vents to outside, this process pushes stale air out of your home whilst introducing the fresh air from the loft. This lowers the humidity so the home apparently is easier to heat.
I have heard at first hand the success of one of these, the house went from black mold and wet condensation to hardly anything in a matter of weeks. They could tell the difference within days.
The only downside is you can get a cooler fresh air feel on the landing where the air enters but you can get a system with a 500w heater which warms this air if the temp drops to a certain temperature.
Look it up in Google, you will get images and info instantly.

_________________
Regards Keith
3rd April 2004 - UK Orchid Forum joined date.
http://www.orchidsupplies.co.ukClearPots-NeoPots-OctBaskets-RainMix-Moss-PottingMixes-SeedlingMix
http://www.koolorchids.co.uk Orchid Growing Info
Join my FaceBook group The Orchid & Gardening Forum https://www.facebook.com/groups/633055240086601/
View then Like our business Facebook page! https://www.facebook.com/orchidsuppliesuk


Top
 Profile  
 
 Post subject: Re: Delicate Question
PostPosted: Wed Jan 07, 2015 10:36 am 
Offline
Spending more time here than healthy
Spending more time here than healthy
User avatar

Joined: Mon Mar 02, 2009 3:13 pm
Posts: 229
Likes: 8 posts
Liked in: 7 posts
I live in: Romania • România
My nearest city or region is: Timisoara
My hardiness zone is: 7
I grow all orchids inside(windowsill), too.
If my oscillating fan is running almost daily(even about 30-60minutes/day seem to be enough) and/or if I open the window a little bit from time to time, there is no mold.
I would suggest to buy a small oscillating fan and mount it above the orchids.
Hope this helps


Top
 Profile  
 
 Post subject: Re: Delicate Question
PostPosted: Thu Jan 08, 2015 11:58 am 
Offline
Starting to put down roots here
Starting to put down roots here

Joined: Tue Jan 20, 2009 2:46 pm
Posts: 335
Likes: 0 post
Liked in: 111 posts
Images: 16
My nearest city or region is: cambridge
I use a bit of kitchen paper and some lemon bleach. It clears the mould in no time and inhibits its return.
It probably needs doing about once a month in our kitchen during the winter.
Just watch you don't get it on your clothes.
There is no problem the rest of the year.
It happens most in areas where there is least air flow like in the corners of the room,
David



Alec likes this post.
Top
 Profile  
 
 Post subject: Re: Delicate Question
PostPosted: Thu Jan 08, 2015 12:12 pm 
Offline
Probably run out of new things to post
Probably run out of new things to post
User avatar

Joined: Tue Jan 24, 2012 11:15 pm
Posts: 1359
Likes: 470 posts
Liked in: 311 posts
Images: 32
I live in: Ireland • Éire
My nearest city or region is: Wexford
My hardiness zone is: 9 (usually)
Okay, thank you all for your replies and comments.
The main problem is two corners in the kitchen. I cleaned them with bleach before but the mould has come back.
I think the problems stemmed from when I stopped airing the kitchen from fear of bud blast.
I'm going to stop using the humidity trays in the kitchen in winter, air daily (temporarily moving plants in bud), clean and redecorate.
I'd better get a move on before seed sowing starts at the end of January.

_________________
Rachel

Coming increasingly to the opinion that the Hokey Pokey IS what it's all about.


Check out my YouTube channel, Gardening at Douentza : https://www.youtube.com/c/gardeningatdouentza



Alec likes this post.
Top
 Profile  
 
 Post subject: Re: Delicate Question
PostPosted: Sat Nov 19, 2016 12:28 pm 
Offline
I think I like it here
I think I like it here

Joined: Mon Nov 18, 2013 9:21 pm
Posts: 34
Likes: 12 posts
Liked in: 26 posts
Images: 3
I live in: United Kingdom (Northern Ireland)
My nearest city or region is: County Antrim
Big thumbs up for the positive ventilation system. We had a big problem with black mould - nothing to do with plants. We installed the pvs fan in the attic for about £350 and the problem is totally cured. A lot of new houses have these installed as standard and for us it was money well spent. The air in the house is much fresher too.

Dave


Top
 Profile  
 
 Post subject: Re: Delicate Question
PostPosted: Sat Nov 19, 2016 3:51 pm 
Offline
Inoccuous beginnings of forum addiction
Inoccuous beginnings of forum addiction

Joined: Sun Mar 03, 2013 10:32 pm
Posts: 168
Likes: 0 post
Liked in: 78 posts
Images: 3
I live in: United Kingdom (England)
My nearest city or region is: Derby
Agreed the positive ventilation system works very well, I installed one this spring and we have much less condensation and the mould is no more, despite 3 teenagers who do their best to humidify the house by spending ages in the shower


Top
 Profile  
 
 Post subject: Re: Delicate Question
PostPosted: Sat Nov 19, 2016 4:00 pm 
Offline
Spending more time here than healthy
Spending more time here than healthy

Joined: Wed Sep 10, 2014 9:55 pm
Posts: 268
Likes: 224 posts
Liked in: 106 posts
Images: 1
Location: St Ives, Cambridgeshire
I live in: United Kingdom (England)
My nearest city or region is: Cambridge
My hardiness zone is: UK 8
Possibly placing a small dehumidifier in the likes you can get in Poundland can be very helpful. Especially if you position it in the affected corner.

Rob

Sent from my Nexus 6P using Tapatalk

_________________
_________________________________________________________________

"In light there is warmth, there is hope and there is joy of life and creation itself."

http://orchidmanuk.blogspot.com


Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 10 posts ] 

All times are UTC [ DST ]


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
cron
Powered by phpBB® Forum Software © phpBB Group