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jaize

Fans?

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jaize    176

It never rains but it pours...

 

So now the fans have packed up and I need to replace them. Has anyone got a recommended silent brand that lasts more than a couple of months?

My plants really suffer without them.

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Bastien    22

I've never gone for anything fancy in tanks, I salvage then from computers at the University's dump. What I have found really helps is putting a potentiometer on the line so I can run them at half or so power, it still seems to provide enough air flow for my plants. Also, I dont attach them using anything hard, I use the little foam pads that come with my glass from the glazier and silicone to dampen the vibrations.

 

In PCs and led setups where I run them full strength, I've had luck with the Noiseblocker and Akasa brands - but never exposed them to high humidity.

 

B

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Alex    74

Hi

 

 as far as I know, for darts, too much  air flow by means of a fan mounted in the vivarium is a no no, as it dryes out the skin of the frog (kind of like getting out of the shower and been in a draft!)......not nice.

Of course, for plants, being wet is detrimental, so air flow is important.

 

So, my advice would be to remove ventilation grids to keep humidity in and  reduce spraying, and no fans in the viv.

I am really interested on the comments on this one as it has puzzled me for some time.

Cheers

Ale

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jaize    176

Hmmm, thank you Bastien. I only have them doing recirculating so high humidity only. I get through them like I get through fruit flies...

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jaize    176

Ale, I have them outside the viv. on the mesh with a plastic tupperware box over them snuggly fitted to the viv. glass so they are just recycling the internal air. One comes on in the morning aimed slightly towards the door and centre and the other does the same from the other side. The air flow is very slight at say 10cms down into the viv and I cannot sense it at all at 10 cms up from the floor. But it does keep the viv doors clear and the plants flourish until the fans pack in and then they really suffer.

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Bastien    22

Interesting... Any idea why they fail? If you pull it apart, you should be able to look at the rotor shaft, is the coil very rusty? Are they burning out from too much power? How are you powering them?

I have one in direct range of my auto mister and it gets a good dose twice a day - been running about two years now never had to change it, and it's a no name brand salvaged from a bin.

 

Might be worth figuring out the cause of why they're going like that, otherwise I suspect you'll get the same thing even with super expensive specialised noise-cancelling ultra high endurance ceramic ball bearing with UV-led and automatic FF dusting fans.

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jaize    176

I tried taking it apart and looking but couldn't find anything wrong. I am in the process of redoing the top of my viv as it is a mess of hoses and cables so I will be rebuilding the next lot. The previous ones were just wired to a USB cable that went into a timer. 5v as per the fan rating. Maybe running it flat out kills it but my ones in the PC go all day every day for hours and have been in for years so the only thing I thought that was different was the humidity. Nothing conclusive though...

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Bastien    22

PC fans rarely run full out continuously AFAIK; the PSU ones do, but they're not running full speed. You could try either a potentiometer, or just stick a resistor (a quicker way to test) on line, and try powering with 3-4V instead. That would be my guess, unless my fan is just a freak of nature and immune to humidity. I reckon if you can't see any obvious rust causing resistance or breaking the circuit, it's probably not humidity.

 

But... your guess is as good as mine.

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kevindurose    111

Jaize I know zero about electronics but I found that if you use one of the variable power supplies you can vary the speed of the fan by altering the voltage switch. I never had a problem with this method although the variable power supplies are around a tenner I believe kev

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gouldianmax    398

Hi Jaize

I have been using the lucky reptile fan kits above my top vivs and under my bottom vivs in my frogroom for 4 or so years now purely to circulate the air in the frogroom. I think you get 2 fans and a plug in transformer for around £29 off amazon, not as cheap as rigging something up yourself but have lasted me for years and are connected to a timer so they go on and off every 20 minutes 24/7 and work great. Oh, and it can get quite humid in my frogroom over the winter.

 

regards

 

Gordon

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Stu    426

Can I be a fan please Jaize :D

 

Really interesting this thread  Gordon we have been using a dehumidifier for a couple of years now,it helps alot and no adverse effect so far. It may well replace your rad for heat mine is there but barely on it's just a back up really,but do be careful when it's damn hot,frankly the window get's opened at every chance here ,but i'm lucky having shaz here alot plus the house /frogroom window orientation on the north side is a godsend when it gets silly hot.

 

Jaize i've never used fans some help i'm going to be!!  Ok being serious now, ;)   out of curoisity what's your mesh top size the holes mate 0.4mm or 0.6maybe?, what plant probs do you get buddy?   I'm also curious mate about the recycling of the air and whether you might be able to angle the fan across the vent and somewhat get similar effects in viv and avoid some of the humidity  just musing mate haven't a bloody clue but for sure I'd explore that so easy .  

 

     Bastien's running of the fan also sounds interesting cool post Bastien  

 

seeya

 

Stu

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jaize    176

It is 0.4 Stu.

I quite like the idea of the Lucky Reptile stuff that Gordon mentions as it has temperature sensors that control fan speed. I think I will give them a whizz.

 

The main problems I get is with the moss. I have a few locally sourced temperate species that do well in there but only with air movement. A few hours without and they really don't like it.

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Stu    426

Ahh right it's the bigger that's that one out of the way,incidentally i use the smaller mate,it's the moss comment that has made it all make sense though buddy. That's very interesting Jaize,I've learnt something tonight thanks bro. He he I think i've been very lucky with a little moss/liverwort that turned up here seems like a little gem.  Sorry mate early and i'm wandering.   I'll have a look at those fans though as before very interesting this thread for me

 

take care mate

 

stu

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gouldianmax    398

I also use 2 dehumidifiers at either end of my frogroom when it gets really humid in there, mainly in the winter months. I have heard good and bad reports on some lucky reptile stuff but these fans have been perfect for me.

 

regards

 

Gordon

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