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Offlineshirley knott
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submersible fishtank heater problem
    #1148963 - 12/17/02 01:50 PM (13 years, 11 months ago)

i've seen plenty of mention here of submersible heaters, for use in an incubator. today i made the incubator i've seen here many times (i've read plenty of people who were delighted with it, but i've also seen similar problems reported before, to no avail): it's a big tub, with a smaller tub inside up on bricks, and the submersible at the bottom, in it's little mounting clips on suction pads. 1cm clearance below and 1cm above the heater, all underwater. water up to 2/3 the way up the inner tub.

the bloody thing turned on okay (the light came on) but when i checked it an hour later, it had stopped, and the water was cold. tried it again - light came on again, same thing happened. what the f***?

it's a Tronic A-760, 50W. submersible. says it has a 'patented thermo-sensor'. you set the desired temp and plug it in. cost me ?26 today: luckily i still have the receipt and all the packaging, so i'm going back there today before i take my seat for the opening show of Lord of the Rings ( :grin:! can't wait !)

why did it fail? did i do something wrong? what's wrong with my setup? do i just need to invest in a more powerful device?

Heeelllllpppp!!!! I've searched around the old threads and the FAQ, but no dice. does anyone have some helpful suggestions? did anyone get round this same problem themselves? 


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OfflineSkikid16
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Re: submersible fishtank heater problem [Re: shirley knott]
    #1148974 - 12/17/02 01:55 PM (13 years, 11 months ago)

In reply to:

the bloody thing turned on okay (the light came on) but when i checked it an hour later, it had stopped, and the water was cold. tried it again - light came on again, same thing happened. what the f***?


What setting did you set it at? It may have reached the temp that you set and turned off.


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InvisibleSixCee
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Re: submersible fishtank heater problem [Re: shirley knott]
    #1148979 - 12/17/02 01:55 PM (13 years, 11 months ago)

Make sure that your next water heater is 'fully submersible' it should be advertised on the packaging. I have heard alot about them failing, you aren't alone...


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Offlineshirley knott
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Re: submersible fishtank heater problem [Re: Skikid16]
    #1148991 - 12/17/02 02:00 PM (13 years, 11 months ago)

i set it to 85. the packaging definitely says submersible, with pictures, and the Pet Shop Boys even showed me a couple in their own tanks, happily growing slimy. which was nice of them, with their busy schedule.


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OfflineAngry Mycologist
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Re: submersible fishtank heater problem [Re: SixCee]
    #1148999 - 12/17/02 02:02 PM (13 years, 11 months ago)

I had to improvise for my incubator, as the heater I bought was not fully submersible (I do a great job of reading product labels before actually buying  :crazy: )  I basically propped it up in a vertical position, attached it to the side of a rubbermaid, then put a smaller rubbermaid on top and as far away from the heater as possible.  I didn't even need to have the water surround the top rubbermaid.  It just sort of.....floated.  I then put a sweatshirt over the entire thing to make sure no heat would escape.  Worked like a charm.  The heater is still working too, using for my next grow. 

(BTW, you may want to set your heater at or around 80 degrees.  The growing mycelium helps with the heat.)


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The proper penalty of ignorance, which is of course that those who don't know should learn from those who do... - Plato


Edited by Angry Mycologist (12/17/02 02:03 PM)


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OfflineSkikid16
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Re: submersible fishtank heater problem [Re: shirley knott]
    #1149006 - 12/17/02 02:03 PM (13 years, 11 months ago)

Well the heater you got is a good one, so I'd say just leave the fucker in there for a day or so and see what happens.  :wink:


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Offlineshirley knott
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Re: submersible fishtank heater problem [Re: Skikid16]
    #1149019 - 12/17/02 02:08 PM (13 years, 11 months ago)

oh well, thanks for the speedy reples, guys, i knew you wouldn't leave me hanging.

i'm going to bed now, will check again in the morning. hopefully someone's got me a solution...


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Invisibledaussaulit
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Re: submersible fishtank heater problem [Re: shirley knott]
    #1149026 - 12/17/02 02:09 PM (13 years, 11 months ago)

Water is dense. It might take 24 hours to change. Sorta like a refridgerator setting.


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Offlinewikedanjel
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Re: submersible fishtank heater problem [Re: shirley knott]
    #1149469 - 12/17/02 04:29 PM (13 years, 11 months ago)

I hate that... Mines did the same thing (notice I say mines because Ive had 3 diff ones) Finaly I just left it alone in a gallong jug of water in the middle and it heated up eventualy but it still doesnt get the temp up so me and my uncle are going to do a major arts and crafts project this weekend to see if we can build an incubator with heating light bulbs... But closed around the jars in a way the light wont bother them. heh so much fun :grin:


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Offlinefredthetree
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Re: submersible fishtank heater problem [Re: shirley knott]
    #1149532 - 12/17/02 04:52 PM (13 years, 11 months ago)

yeah, aquarium heaters can be a bitch... or so i've heard :tongue:

when i bought mine, it said "submersible" on the packaging, but i later found out it wasn't "fully submersible".  but i ended up saying "ah what the hell", and have used it fully submersed ever since.  but i wouldn't recommend anyone else doing that :tongue: 


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OfflineAngry Mycologist
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Re: submersible fishtank heater problem [Re: fredthetree]
    #1149540 - 12/17/02 04:56 PM (13 years, 11 months ago)

In reply to:

when i bought mine, it said "submersible" on the packaging, but i later found out it wasn't "fully submersible".




Exactly what happened to me. Let us know about any injuries/fatalities with your current setup.


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The proper penalty of ignorance, which is of course that those who don't know should learn from those who do... - Plato


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Offlinetplague
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Re: submersible fishtank heater problem [Re: Angry Mycologist]
    #1149667 - 12/17/02 05:45 PM (13 years, 11 months ago)

Could it be that there is no agitation to the water thus the heater is picking up the temp of the water around it that IS in fact warm?

my 2c

-tplague


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Offlineshroomizzy
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Re: submersible fishtank heater problem [Re: shirley knott]
    #1149694 - 12/17/02 05:55 PM (13 years, 11 months ago)

well my philosophies on this matter are as of so...the red light comes on when its reaching the proper temperature set on the adjustable dial, and it goes off when it is has reached the desired temp. Try experimenting by pouring some water lower in temperature than that of the water already in it (not too much of a difference though, you do not want to crack the glass  :tongue:)

wa ha ha i'm a little um baked and just felt like i was a fuckin fish tank heater instruction  um teller um people..... k... for real though i had to set mine to 90 just to get the temp inside the incubator to be 86 and those puppies got taken over quick by the oh so splended white stuff 


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Offlineshirley knott
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Re: submersible fishtank heater problem [Re: tplague]
    #1150337 - 12/17/02 11:22 PM (13 years, 11 months ago)

hmm, yes, i wondered about that. the no fish = no movement = hot spots = failure thing bothered me, but i discounted it due to reading about people's successes with this same method.

i was so smug and proud of my new incubator, as well. drew up my plans, got my list together, moseyed down town, lugged it all back, improvised some 'spacers' to keep the tub off the heater (2 tealights stacked, taped down), plugged it in.... i did a little somersault inside when i saw that light go on.

and now it's gone, my preciousssss. i feel like gollum.

surely there's someone out there who's sussed this problem? any votes for a more powerful heater? any for starting it off in warm water, so as not to tax it's weedy brain?



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Offlineshirley knott
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Re: submersible fishtank heater problem [Re: shirley knott]
    #1151284 - 12/18/02 10:15 AM (13 years, 11 months ago)

*bump*

sorry to be a pain in the ass and to go on about it, but is there a solution to my problem (!) ? details at the top of the thread.

Here's my incubator, a common design:








the submersible heater sat along the bottom of the bigger blue tub, with a space above and below it.
what went wrong? i took it back to the shop for a refund just before the cinema. (gollum was the star of the show - well worth a second look just for him alone.)


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Offlineshroomizzy
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Re: submersible fishtank heater problem [Re: shirley knott]
    #1151538 - 12/18/02 11:40 AM (13 years, 11 months ago)

yes turn since its a 50watt try turing the temp contole up to 90 and see what that sets the temp to


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Offlineshirley knott
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Re: submersible fishtank heater problem [Re: shroomizzy]
    #1151569 - 12/18/02 11:48 AM (13 years, 11 months ago)

too late, i took it back already.

is it even worth me trying another model at 50W (from another pet shop, obv), or should I alter my design first, get a higher wattage, or ....?

P.S. (unrelated) please remind me someone - approx grammage dry product required for levels 1,2,3 etc? Test dose imminent, and it's been a while!


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OfflineSkikid16
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Re: submersible fishtank heater problem [Re: shirley knott]
    #1151578 - 12/18/02 11:52 AM (13 years, 11 months ago)

As far as dosage I'm trying to get you a link, but if this brings you to the shroomery home page, then just look to the left of the screen in the "How To Dose"  section, weird, eh?  Lets see if it works http://www.shroomery.org/, I have a feeling its just gonna take you back to the home page, but oh well I tried. 

Hope you have a good trip.  :grin:


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Edited by Skikid16 (12/18/02 11:53 AM)


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Offlineshirley knott
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Re: submersible fishtank heater problem [Re: Skikid16]
    #1151652 - 12/18/02 12:17 PM (13 years, 11 months ago)

thanks skikid - so, if i did it right, then 3g of dried cambodians gives me about a 3+ (whatever that is).

dosed at 11.12 - i'll let you know how it turned out!


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OfflineSHR00M0L0GIST
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Re: submersible fishtank heater problem [Re: shirley knott]
    #1151676 - 12/18/02 12:27 PM (13 years, 11 months ago)

Use the "whistler" fully submersible water heater. I bought it at wal-mart for $20


Edited by SHR00M0L0GIST (12/18/02 12:29 PM)


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Amazon Shop for: ½ Pint Jars, Aquarium Heater

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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