specific gravity meter

Reefer769 · 08-03-2004, 08:35 PM

hey i was just wondering if i could use the same gravy meter i use for my 30gallon tank for the hospital tank that i used copper in. even if i keep the water in the meter for 30 seconds or so will the copper stick to it? or is it safe to use it?

Samper · 08-03-2004, 09:41 PM

I don't think that there is enough copper still in the hydrometer to affect much although I'm sure there is some. If you're worried about it you could always dip the water to be tested out with a measuring cup or something and pour it in. You will need to tap it on something to get the micro bubbles off the needle after you pour the water in it. I also wouldnt pour the water back in your system after testing just to be safe.

**kevinpo** · 08-03-2004, 11:47 PM

Just rinse it off before putting it into the copper free tank. Of more importance is the net you use to catch the fish. Be sure you don't dip it into the copper tank and then into the copper free one.

HTH,
Kevin

08-03-2004, 08:35 PM	#1
Reefer769 Mayor Join Date: Jan 2004 Location: Chicago Posts: 909	specific gravity meter hey i was just wondering if i could use the same gravy meter i use for my 30gallon tank for the hospital tank that i used copper in. even if i keep the water in the meter for 30 seconds or so will the copper stick to it? or is it safe to use it? __________________ “Emancipate yourselves from mental slavery, none but ourselves can free our minds!”

08-03-2004, 09:41 PM	#2
Samper Contributing Member Join Date: May 2004 Location: Arkansas Posts: 3,768	I don't think that there is enough copper still in the hydrometer to affect much although I'm sure there is some. If you're worried about it you could always dip the water to be tested out with a measuring cup or something and pour it in. You will need to tap it on something to get the micro bubbles off the needle after you pour the water in it. I also wouldnt pour the water back in your system after testing just to be safe. __________________ Keep your heart pure conceive your own dreams Respect your fellow man the earth and the trees.

08-03-2004, 11:47 PM	#3
kevinpo Moderator Join Date: Oct 2001 Location: Spokane Valley WA Posts: 2,462	Just rinse it off before putting it into the copper free tank. Of more importance is the net you use to catch the fish. Be sure you don't dip it into the copper tank and then into the copper free one. HTH, Kevin __________________ SPSguy On - On

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