Drop Checker Set Up / Reading ... - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 11-08-2014, 04:50 PM Thread Starter
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Drop Checker Set Up / Reading ...

hey there guys ...
im curious about the setup and functionality of a drop checker.

1. Is it important, where in the tank its placed?
2. Is it only to be relied upon once the CO2 is turned on or will it provide a fairly accurate reading weather the CO2 is on OR off?
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post #2 of 4 (permalink) Old 11-08-2014, 05:03 PM
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I'm reading up on this stuff myself, but from what I've learned...

A drop checker isn't completely necessary, but it's a handy and widely accepted semi-accurate way of measuring the CO2 concentration in your tank water.

I'm not sure about placement, but I would guess you wouldn't want it right next to your source of CO2 (diffuser, water inlet).

It will read the current concentration of CO2 in the tank (with some delay in response to changes), regardless of whether CO2 is being added or not ("on" or "off").
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post #3 of 4 (permalink) Old 11-08-2014, 05:13 PM Thread Starter
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might not be "completely necessary" but i think its a great tool especially for someone as myself, getting started with CO2, who isnt quite able yet to guage how much more or less is needed just by observation of the fish / plants, etc..

more than anything i guess im curious if weather to make adjustments a little while AFTER the CO2 kicks on and then let it be OR pay attention to the color of the liquid BEFORE the CO2 kicks on?
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post #4 of 4 (permalink) Old 11-08-2014, 05:44 PM
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I believe it's recommended to place it a few inches below the water surface, that's where mine are placed. I tend to also place mine out of the direct flow of the the CO2 source. I've found there's about an hour or so delay in the drop checker color change. So it's a great quick glance method, but obviously not fool-proof. That being said, I have one on all my CO2 injected tanks. Most are cheap and sold with the 4dKH solution premade so pretty easy setup.

Old tanks, all torn down:
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Hope to get a new tank (or two) up soon...
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