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 heat matts

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calycium
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PostSubject: Re: heat matts   Thu May 08, 2008 7:40 pm

I hear ya Slim.

Its only a 25 watt globe, just nice to give some warmth when the sun goes behind a cloud.
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Gracie
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Location : Bendigo Victoria . Zone 6
Registration date : 2008-05-02

PostSubject: Re: heat matts   Thu May 08, 2008 9:37 pm

Hi guys, finding this post most interesting as I try to find a system that works until I can get a commercial made thermostatic controlled propagation system. picked up a couple of interesting perspex display units, with metal bases, they have hinged lift up sections and are a great size for fitting a seedling tray. not sure how I'll add heat yet, but the 25 watt globe sounds good. also have a water bed heat pad with thermostat that I thought I;d have ready for autumn sowings. hubby is making a base for it but it is still on his drawing board. any suggestions on using this type of mat. ?
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Haga



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Location : A-Town
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PostSubject: Re: heat matts   Fri May 09, 2008 12:04 am

get a thermometer in there calycium and play with the setup until its about right.
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Metal_Jazz

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PostSubject: Re: heat matts   Fri May 09, 2008 3:41 pm

I bought heat cord for $40 and a thermostat for $70 (but they're for my reptiles =P )

I bought the thermostat off www.herpshop.com.au , they send the product and then they send you an invoice and you can pay for it once you receive it.
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hornet



Number of posts : 112
Location : brisbane
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PostSubject: Re: heat matts   Fri May 09, 2008 3:49 pm

Metal_Jazz wrote:
I bought heat cord for $40 and a thermostat for $70 (but they're for my reptiles =P )

I bought the thermostat off www.herpshop.com.au , they send the product and then they send you an invoice and you can pay for it once you receive it.

not anymore, last order i placed i had to pay before recieving
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Lanna

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PostSubject: Re: heat matts   Wed Jul 02, 2008 10:53 pm

I use and recommend the Heatngrow setups.

I have a couple of four foot units with built in thermostates and my cacti seedlings love them.

They are expensive, but well worth it imo.

I found putting a layer of glad wrap over the capillary mat keeps the moisture in and only needs wetting down every couple of months or so (needs wetting nearly weekly without it).

Very maintence free, especially when growing in sealed containers.
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San Rainbow
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PostSubject: Re: heat matts   Thu Jul 03, 2008 6:49 am

the glad wrap idea sounds good! will have to give it a go...

cheers Lanna Wink
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Lanna

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PostSubject: Re: heat matts   Thu Jul 03, 2008 9:51 am

NP San Rainbow.

If you don't already do it, I would also recommend adding a little bleach to your water when wetting the capillary mat, it stops unwanted algae and fungal bacteria from growing, wet and warm conditions are ideal breeding grounds for nasties...
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calycium
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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:03 pm

This is going to sound like the dumbest of questions - I've got a heat and grow with the mat thing and then a tray with a cover...
are you saying I should wet the mat thingy???? to promote heat transfer or something????

Mines dry and I just assumed it was to stay dry?

signed by horribly confused????
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San Rainbow
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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:08 pm

yep you wet it, use lurk warm water, I do mine with a mini water can in the morning and in evening so its nice and damp.
if you let it dry to much it doesn't absorb the water very well.

it helps with the heat displacement.
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calycium
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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:24 pm

mmm - mines been on all week and dry.

Does EVERYBODY wet their mats?????????????? How embarrassing. It seems that San and Lanna both do.... starting to feel like a dweeb here
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lewis
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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:30 pm

i have never done this and i have never been told to do this. in fact i just checked the writing on my heat mat and it says 'avoid contact with water'.
So i'm with you calycium, as a non-bedwetter.
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San Rainbow
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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:31 pm

I'm new to the whole wetting mat thing, I had to double take when I read the instructions scratch but it kinda makes sense i spose
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sacred pedro

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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:32 pm

yeah i wet mine, only coz the friendly guy at the hydro shop told me too, i think the instructions may mention it? i was to excited to read them, to busy washing sand and sowing seed.
the box has a website on it and they are made here in melbs, if anyone else is interested in getting one of these babies maybe we could go directly to them and try and get them wholesale. i have a 2 foot one and looking at getting a 4 foot one in the near future.
anyone else keen?
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San Rainbow
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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:35 pm

commenting on Lewis's post... I think only the heat n grow brand with the fabric insert are the ones you keep damp.
I wouldn't recommend doing this with non nursery grade heat mats.
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calycium
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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:35 pm

Went to the web site and had a look and it says to wet it...

"Thermostat
models come with felt capillary matting. This must be
kept damp to ensure effective heat transfer to the roots of
the plants."

Thanks all for information - off to water my mat (and seedlings)


Last edited by calycium on Sat Aug 09, 2008 10:07 am; edited 1 time in total
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parrotsheaven
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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:46 pm

Bet wetters now that's interesting Shocked

So what do these heat mats of yours look like? You have got me interested.........not that I need another one. But you never know!!!!

Mine is like a big electric blanket covered in waterproof fabric. Here's a pic of it when I first got it

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calycium
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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:51 pm

Heres mine (now with a wet mat)

HeatnGrow site

Betty, yours looks wild
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sacred pedro

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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:51 pm

http://www.heatngrow.com.au/
i have a 2 foot one with a built in thermostat,
not much to them, but very good
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sacred pedro

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PostSubject: Re: heat matts   Thu Jul 03, 2008 8:56 pm

what do you sow your seeds in calycium?i'm using 1 lt take away containers, fits 10 of them perfectly
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parrotsheaven
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PostSubject: Re: heat matts   Thu Jul 03, 2008 9:00 pm

Ahh now I know the ones, could be good for raising seed them put on the big one to keep them going.

I could have slept on mine if I had ever been kicked out to the shed, oh well he missed his chance Twisted Evil Laughing
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calycium
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PostSubject: Re: heat matts   Thu Jul 03, 2008 9:00 pm

I've got those little 2 inch square black plastic pots - fits 20 of them (and a few kids white plastic yoghurt containers. Have yet to try the sealed take away containers as this is my first attempt and I will try them next (after my Digis burst with joy)
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Lanna

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PostSubject: Re: heat matts   Thu Jul 03, 2008 9:00 pm

If your using a genuine Heat'n'Grow unit, they are definately designed to be used with the capillary felt WET.

Using it dry could possibly damage the unit over time, the unit would have to work heaps harder to achieve the desired temps when dry.

The moisture is needed to transfer the heat evenly to your pots/trays/containers etc.

I take my capillary felt completely out (just pop off that little silicon blob holding it down) and submerse it completely in a weak bleach/water solution for a few minutes.

Squeeze it out very lightly and place back into the unit.

As I mentioned, covering the felt in glad wrap stops the water evaporating away too quickly and it stays wet for quite some time.
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calycium
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PostSubject: Re: heat matts   Thu Jul 03, 2008 9:02 pm

edit


Last edited by calycium on Sat Aug 09, 2008 10:06 am; edited 1 time in total
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calycium
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PostSubject: Re: heat matts   Thu Jul 03, 2008 9:04 pm

Thanks Lanna - have wet the mat, and am much happier - it got 4 days of dry pale
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