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Weird Guppy Behaviour.
February 23, 2008
5:44 pm
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Ross
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Hey everyone. I was wondering if you could help me on this one. I have a couple of guppies in my 110l tank. it should be fully cycled now as its been over 4 weeks since we bought it.

I have 1 female guppy that is very latharjic (excuse the spelling if its wrong, i was never very good at it). It has been sitting at the bottom of the tank under a net that we have 2 baby mollies in, it nestles in the bottom of the plant. We have noticed that it has been chased around the tank a bit by a couple of silver tip tetras, Although it looks more like they are trying to mate with her rather than being aggressive.

also another female guppy is swimming almost vertically. When ever she stops moving she just stands to attention. (salute and everything) /wink.gif" style="vertical-align:middle" emoid=";)" border="0" alt="wink.gif" />

Now there is 1 possibility. My PH in this tank is around 6.4 i think. Although we are using tetra strips to test it so its not the most accurate reading. Also the KH is around 0'd - 3'd.

Is there anyway that i can raise either or both of these, I understand that if i raise the KH it should stabalise the PH and possibily raise it a bit.

I have just added some gravel to the aquarium today. Could that have affected it at all? It was Aquarium gravel.

I will try to repost pics of all Fish and Tanks this weekend to. We have just purchased a couple of cichlids although im unsure of the type. (milwakee or something possibly).

1st 2 pics are of the latharjic female Guppy, 3rd pic is the Silver Tip Tetra that has been chasing the latharjic female Guppy, Last 2 pics are of the Vertically swimming Guppy, /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

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February 25, 2008
3:31 pm
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dellag
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Hi Ross,
Did you wash the gravel before you put it in the tank????

The lethergic guppy looks to me like she's about to give birth and is possibly looking for somewhere safe to have her babies. Could possibly be the same problem with the other one also.
Whats the ph reading of your tap water? If it's higher than that in the tank i would just do water changes to raise it back up rather than using chemicals.

Hope thats of some help.

Della

February 25, 2008
5:32 pm
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Ross
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Hey, yeah i washed the gravel, emptied it into a bucket and rinsed it until the water was clean. As for the Tap water, the PH is around 6.4 i think but im going to retest it today. Is there a natural way to raise the PH before i add it to the tank?

The last guppy in the pics dosent seem to look pregnant, she isnt as fat as the others and dosent really have the dark spot at the base of the tail. Also the biggest female we had was really fat and looked like she would pop, then suddenly she was slim again and the dark spot had lessened considerably. We thought she had given birth but couldnt find any sign of any babies.

Thanks for the help.

Ross and Ruth

February 25, 2008
7:21 pm
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Ross
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Ok im starting to get a little worried now..............
2 days ago we lost a small mollie, about an inch in length. (just thought that it just hadnt adjusted to the tank as the ph is low)

Today i found that a harlequin rasbora has died too. With the 2 guppies that are behaving funny im starting to think that my tank might get wiped out.

ok so i have tested my tank.................sort of.

i used a (tetratest liquid tester kit) which did 4 tests.
PH,KH,GH,NO-2

Results were

PH - 7.5
KH - 2'd
GH - 2'd
NO-2 - 0.8mg/l

Then with a Tetra Strip

Results were

PH - 6.4
KH - 0'd
GH - <3'd
NO-2 - 1mg/l
NO-3 - 10mg/l

The tests are so different i dont know which 1 to trust

Also Strip said tap water was 6.4 PH and Liquid tester said it was 7.0 - 7.5 PH

February 25, 2008
9:29 pm
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Matt
Málaga, Spain
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Hmmm, the only parameters I'd worry about are the pH and the kH to be honest Ross. The differences in the others aren't too much to be of concern. If your kH is that low your tank could be experiencing some nasty pH swings that are affecting the fish.

Also, if the strips are correct, most livebearers don't really appreciate acidic conditions. If the molly you added was a black molly, it wasn't even strictly a freshwater fish! Mass-produced guppies are notorious for being genetically weak, so you might just have been unlucky. How long had the harlequin been in the tank?

I'd try a different brand of liquid pH test and see if that reveals anything. I hate those strips. If a second liquid test gives you the same result as the one you're using then we can start to help you eliminate some possibilities. /wink.gif" style="vertical-align:middle" emoid=";)" border="0" alt="wink.gif" />

Meanwhile, specifically what type of gravel did you add to the tank (coloured? plain? what brand, if any?) and what other decor do you have in there? Are there any spots under the decor where uneaten food and other detritus could be collecting? These can also cause rapid swings in water chemistry...

Cake or death?
February 25, 2008
10:05 pm
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Ross
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As far as i know its just white gravel. But im not to sure. it was a black mollie that died. i think the harlequin had been in the tank 1 -2 weeks.i have 2 fake wood decorations but i have taken them out when i have done a big water change. upto 30 -40 %. Mostly because of the test results. im not sure if i can get a different brand liquid tester kit. All the local fish shops seem to have the same stock in equipment, its really annoying.

i have quite a few plants in the tank to. and they are all doing really well. they are all growing realy quick.
The temperature of the tank is around 26 -27'c as i have 2 female fighters in there at the min. also another harlequin seems to be missing too, havent seen it for a few days but its not in or around the tank and trust me i have looked.

The gravel was in a proper bag which was with all the aquarium sands and gravel. So i assume it was normal gravel but im not sure. it wasnt sold in a plain bag.

ermmmmm

also i have 2 bubble stones that are 4 inches long each. i have read that if u airiate too much then u lower the co2 in the water and that can change the water chemistry............................... is this possible?

thanks for all the help and support

Ross and Ruth

February 25, 2008
10:22 pm
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Matt
Málaga, Spain
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Hey guys, I doubt very much that the airstones would have affected anything; two doesn't seem excessive. Did the fishes' behaviour change after you added the gravel or were the guppies already acting strangely? Don't worry about the help...I'd talk about this stuff all day quite happily /biggrin.gif" style="vertical-align:middle" emoid=":D" border="0" alt="biggrin.gif" />

Cake or death?
February 25, 2008
10:37 pm
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Ross
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We are not sure if there behaviour changed before or after the gravel went in.

any ideas about raising the PH? can i add stones or wood that would alter the water slowly?

February 26, 2008
12:20 am
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Matt
Málaga, Spain
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Sorry but that information doesn't really help to be honest guys. One thing I can say is that I've never heard of a gravel product lowering pH; usually the problem is that pH is raised. Can you obtain crushed coral from anywhere? Maybe a marine shop in your area? I found it excellent for maintaining a relatively high pH when I lived in an area with a low kH like yours...

What about the dead spots?

Cake or death?
February 27, 2008
7:26 am
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Ross
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Im not sure what you mean by dead spots /sad.gif" style="vertical-align:middle" emoid=":(" border="0" alt="sad.gif" /> but all the lfs around here are tropical only. Even the 2 big ones 1hr from here only stock freshwater fish and equipment. I looked yesterday and the gravel is just called white gravel and its by akva-stabil. code for it is AT204 SIRIUS. iIt probably dosent help though. As for finding crush coral i have no idea where to look. Is it heavy? Could get my bro to post some!!

February 27, 2008
10:21 am
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dunc
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http://www.akvastabil.dk/Grus.448.aspx "Sirius" is the gravel you've presumably bought Ross.

Shame I don't speak Danish otherwise I might understand the speel at the top /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" />

February 27, 2008
10:52 am
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Ross
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Cheers mate. I will get my girlfriend to translate it. Its almost the same as norweigen. I think its just talking about bag size tho. I live near a beach, would there be anything i could find there that once washed would raise the PH? Unfortunatly i dont live near a reef, Bit cold over here. /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> Where can i get crushed coral in the uk? isit heavy or is it postable?

Im going to be in uk in 4 weeks i think so i could always get stuff then but im not sure if the tank will survive that long with the PH this low...........:/

February 27, 2008
10:55 am
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dunc
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It's postable but not from the UK unless you want to pay major money.

Are there no online aquatics retailers in Norway? We have aquatics-online.co.uk for example.

February 27, 2008
11:00 am
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Ross
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Unfortunatly i havent mastered norweigen yet /sad.gif" style="vertical-align:middle" emoid=":(" border="0" alt="sad.gif" /> but i will get ruth to look tonight and see what we can get. I havent been able to find much that i need overhere, lots of what i got was brought from uk in back of my truck.

February 27, 2008
11:20 am
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dunc
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Heh if you get really stuck and Ruth suddenly decides she hates you, let me know - I have a few Norwegian mates I could ask.

February 27, 2008
11:27 am
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Ross
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Cheers mate. I will see what we can find out and hopefully she isnt going to start hateing me too soon. Are there any good shops in Newcastle? When i get back to newcastle i will have a look round to find stuff i needn as well. Its expensive over here 2 get the stuff like water conditioner and things, i will stock up over there and bring it all back when i come. Testing kits are like £20 - £30 over here, liquid 1's are £35 ish

February 27, 2008
11:45 am
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dunc
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Yeah mate there's a good few shops around here that'll sell the kind of thing you're after.

February 27, 2008
12:11 pm
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Ross
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Nice one, I will find out where they are when im next over. Im having a really good day today, meant to be off sick and so far ive, had to take my truck to garage because it was over heating and ive also pulled the door handle off the front door. Life is great today............ /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

February 28, 2008
3:25 pm
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dellag
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Ross how about crushed seashells in a bag in your filter??? is that possible????
Got a bad headache today and my brain hurts so i'm struggling to think.

Della

February 28, 2008
9:58 pm
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Ross
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January 23, 2008
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i have managed to find some crushed sea shells. i have added a large handful to each of the large tanks. im going to add a small amount to the smaller tanks although i couldnt find any already in bags to go in the filters so i have just put it in loose.

Hope this will help with everything. i also did a large water change and a good clean in each tank, so hopefully this will help to sort out all the problems.

Thanks for all the help everyone. Its been really helpful.

Thanks again
Ross and Ruth

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