stupidly cheap and stupid drop checker - The Planted Tank Forum
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post #1 of 23 (permalink) Old 04-22-2011, 11:27 PM Thread Starter
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stupidly cheap and stupid drop checker

so i'm setting up my 10g in my office and needed a simple and cheap drop checker for it. so i went to wall mart... and this is what i ended up with.

the very first thing you need is some whisky.



the pen's cost me $1.00 (two in a pack) and the suction cups cost me about $1.50.



you'll just need the cap!



remove the suction cups hook by sliding it through the hole it is in and slide the cap's clasp into it



heat the plastic around the opening of the cap so you can slowly bend it inwards



heat some airline tube and bend it out



jam the tube into the cap. you'll have to heat and reheat a number of times to get a seal, be careful as the plastic on the cap like to adhere to items



works great i guess... just put it in, no co2 being added to the tank yet. I should probably cut back the airline tubing





my next attempt with this will probably be using a dremel to slice the cap in the center so that it is shorter and getting the items together without a butane pen torch


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post #2 of 23 (permalink) Old 04-23-2011, 02:32 AM
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Looks great! Remind me of the ADA Cabochon Ruby Check Valve.

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post #3 of 23 (permalink) Old 04-24-2011, 01:31 AM Thread Starter
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alright, so the drop checker is working well enough.

this was it when it was set up yesterday


and this is today


much darker and bluer. I'll get to work on a nicer version of this once i get the tank more set up.


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post #4 of 23 (permalink) Old 04-24-2011, 02:09 AM
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I'd use CO2 hosing instead of regular airline hosing for the tubing inside. Airline hosing likes to turn opaque in contact with water.
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post #5 of 23 (permalink) Old 04-24-2011, 02:16 AM Thread Starter
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I'd use CO2 hosing instead of regular airline hosing for the tubing inside. Airline hosing likes to turn opaque in contact with water.
hmm. true. but that will only make the liquid inside easier to read

as long as it doesnt have an affect on the reading itself then i'm not really concerned. But i'll definitely keep that in mind when i get to making some for my 90g


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post #6 of 23 (permalink) Old 04-25-2011, 01:40 AM
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yea yea yea but what about the dalwhinnie?


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post #7 of 23 (permalink) Old 04-25-2011, 01:45 AM
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Dude. Love it.


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post #8 of 23 (permalink) Old 04-25-2011, 01:33 PM Thread Starter
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yea yea yea but what about the dalwhinnie?
what about it? it's for drinking while you work with sharp objects and pen torches

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Dude. Love it.
thanks! just something stupid, simple and cheap. it does the job though


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post #9 of 23 (permalink) Old 04-25-2011, 01:35 PM
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The empty bottle would make a good bubble counter as well.
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post #10 of 23 (permalink) Old 04-25-2011, 01:53 PM Thread Starter
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The empty bottle would make a good bubble counter as well.
haha, it's a little big for that. I would love to work recycling into tanks though...


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post #11 of 23 (permalink) Old 04-25-2011, 02:22 PM
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Disagree. Disagree entirely.

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post #12 of 23 (permalink) Old 04-26-2011, 12:25 AM
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how fast does this show results?


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post #13 of 23 (permalink) Old 04-26-2011, 02:23 AM Thread Starter
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how fast does this show results?
no clue!

but i bet with a shorter tube inside it would work pretty quickly.

I don't have any pressurized co2 going into this tank at the moment and have only started dosing excel


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post #14 of 23 (permalink) Old 04-26-2011, 05:29 AM
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Pretty crafty, seems to work pretty well too.
Well done I say.
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post #15 of 23 (permalink) Old 04-29-2011, 07:42 AM
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What if you bump it and the fluid spills into the tank?

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