Can I used these rocks? (pics) - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 8 Old 05-11-2009, 09:25 PM Thread Starter
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Can I used these rocks? (pics)

Hi, new to the forums, wanted to start by saying hi..."Hi" hehe. Anyway I have been reading a lot of very helpful info from this site and have a question of my own...

I've been reading some types of rocks, specifically those containing calcium, can be bad for your tank assuming you DONT want to change the pH of your aquarium. I washed all my rocks in the bath tub with a heavy duty wire brush. Upon doing so, once my tasks were complete I noticed a ring of black around my tub which was not there before. This is my first concern. Secondly before I even began the washing process I threw a few UNWASHED pieces into a see-thru glass container and added vinegar to see if they bubbled...they fizzed sporadically at first but then stopped. Once I went through the process of washing my rocks I then poured vinegar on one to see if it too would fizz...I didn't see any fizzing. Here are some pics of the rocks beginning with the black ring they left in my tub. Please if anyone can tell me if these are safe and will NOT change my pH I would be so grateful! Thanks guys and gals!





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post #2 of 8 Old 05-11-2009, 10:37 PM
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I added some rocks from the local lake & I didn't have any problems with the pH or anything else but they were a different kind of rock. I let them soak in my tub for around 10 hours with some bleach cleaner mixed in. then rinsed them thoroughly & let them dry for a few hours.

you can also test if they will alter the water by filling a large bowl with water then test the pH before & after you add the rock.
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post #3 of 8 Old 05-12-2009, 06:11 AM
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IMO, you should be ok adding those rocks to your tank.............Just make sure you have rinsed them thoroughly since you used bleach...........Bleach is definitely better than using some type of soap or detergent........As gammahermit stated, you can always try a trial of placing a few in a bucket or tub of water and testing the Ph and then waiting a few days and retesting.......See if the rocks had any impact on your Ph......Just as a side note:...........Some members here boil there found rocks, not a good idea...........They can explode and do some real damage to you and your house...........Scrubbing with water or water bleach solution is best for cleaning them..........
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post #4 of 8 Old 05-12-2009, 07:12 AM
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actually use white viengar to sak them in before you add them to the tank.

I take dead bottle of PH DOWN with me, just the bottle but most know the size of the bottle and how it works. I filled it with vinegar and put it in my pocket when I go out looking for rocks, bubbles no good, doesnt bubles, ckean and add to tank.
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post #5 of 8 Old 05-12-2009, 07:46 AM
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Quote:
Originally Posted by Fishin Pole View Post
Some members here boil there found rocks, not a good idea...........They can explode and do some real damage to you and your house...........Scrubbing with water or water bleach solution is best for cleaning them..........
I like a combination of bleach/rinse then about an hour in a 250 degree oven. I did that to all of my slate rocks with no problems.

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post #6 of 8 Old 05-13-2009, 03:00 PM
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I would boil them in hot water and bleach them.
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post #7 of 8 Old 05-13-2009, 11:18 PM
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don't boil rocks they can explode if there is air pockets in them.

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post #8 of 8 Old 05-14-2009, 06:39 AM
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What busgod said.

As for the rocks, I've got those exact kind in my tank with no problems. The black ring in the tub is just the grime that came off them.

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