drop checker leaking?
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Old 04-20-2013, 08:54 PM   #1
rainshadow
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drop checker leaking?


Hi all,

I'm still figuring out this CO2 thing (I've always done pretty low-key DIY CO2, but I guess it's time to step it up). So I put one of those little drop checkers in my tank, and the next day the fluid inside it was gone--I'm assuming it leaked out into the tank water. I did a massive w/c, and everybody seems to be okay, but I'm not crazy about putting random chemicals into my tank.

So, since I still need a drop checker, does anyone have any advice on how to be sure it doesn't happen again? I double-checked everything before putting it in, and it all looked tight, but clearly I was wrong. Is there a better drop checker to use?

Thanks!
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Old 04-20-2013, 09:12 PM   #2
Darkblade48
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What drop checker are you using?

How did it leak? Did it flip over/come off of its suction cup?
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Old 04-20-2013, 09:15 PM   #3
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Nope. It looked just as I left it, except that all the colored water had been replaced by clear aquarium water.
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Old 04-20-2013, 09:17 PM   #4
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Oh, and I'm using a U.P. drop checker like this one:
Amazon.com: U.P. Aqua Co2 Indicator: Pet Supplies Amazon.com: U.P. Aqua Co2 Indicator: Pet Supplies
(sorry--meant to put that in the 1st post and somehow edited it out)
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Old 04-20-2013, 09:18 PM   #5
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do you have a picture of it in your tank? that shouldn't be happening
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Old 04-20-2013, 09:19 PM   #6
rainshadow
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I don't, b/c now I'm kind of scared to put it back in!
but maybe I'll try one more time; I keep thinking I must be missing something obvious, but I've wracked my brain...
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Old 04-20-2013, 10:31 PM   #7
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It looks like the only place where leakage can occur is through the O-rings that seal the clear dome from the main body. Are the O-rings installed and not cut or damaged? Also, if you overfill this with the 4 dKH + pH reagent fluid so the level is at the height of the white passage in the middle, water can migrate between the tank and the drop checker, gradually replacing the fluid with tank water. I would only fill it half way up the white piece in the middle.
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Old 04-20-2013, 10:43 PM   #8
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I use that very drop checker and before buying, I read a review where someone did have a problem with it leaking... their o ring allowed a leak between the clear cap and white base.

Fortunately mine is a-OK. I did do a thorough check before using it, though, and my plan was to take it to Ace and find a replacement the o-ring if there was any doubt.

I was also a little dissapointed in the suction cup of that drop checker, but I happened to have a high-quality suction cup that attached to it like it was make for it (it was either from my reactor, inline heater or UV light, donno which) and haven't thought about it since.
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Old 04-21-2013, 04:37 AM   #9
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Aha! Thanks, Hoppy--I bet I overfilled it just a little, and that was enough. The O-ring looks okay, at least, so I will try again with considerably less fluid.

Thanks!!
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