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About Lasher

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  • Birthday 18/08/1967

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    Bahrs Scrub
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    IT Manager

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  1. That looks like them (seed shrimp)!! I have no idea how they were introduced. The tank has been going for 10 years and I haven't introduced any new plants or fish recently. Having done a quick google, it looks like they are here to stay... :-(
  2. Nope - I just keep scopoping them off the surface. I think I've made headway as there's hardly any left to scoop each day. They only appear on the surface - there are no signs of any related activity IN the water, and my fish and shrimp are completely unaffected..
  3. Twice a day I feed my fish and on each occaision, I'm presented with the above. On the water surface are the above "creatures". They look like eggs, but are in fact things that move about. Each time I grab my net, scoop them all off and 12 hours later when I return to feed, they are back. Any ideas on what they are and an eradication soultion? I have a video taken of them moving about if that helps. Thanks!
  4. My original plan was to breed a koi style sword tail. In the top pic there is a koi coloured female lurking in the background. She's red/white/orange. I was trying to breed a blue/white/orange variant when I came across some lyretail swords. So now I'm trying to do a blue/white/orange lyretail sword and this is how far I've gotten. I'll keep the two females picture to see what kind of offspring I get. I currently have a blue/white non-lyretail male (pictured), and an orange non-lyretail male who carries the blue/orange/lyretail gene (from his mum). Time will tell...
  5. See if you tell what fish these young females are (ignoring the male sword in the background): Answer: swordtails! The male blue and white swordtail is the father and the mother is a blue and orange lyretail swordtail. Most off the offspring are non/lyretail, but the two presented here have tails unlike any swords I've seen before.
  6. It's now a month later and not good news. In the tank above I ended up losing all my corys and all my commons bar one female. I've since added a male from another tank and they are doing well. However I have not done any water changes in 3 weeks. In my community tank which also had bronze corys, and peppermints, the same thing happened. I did a water change, double dosed both the new water and the existing water with Prime, used only treated tap water (in case I had some bug in my tank water) and immediately the peppermints, who stay out of sight during the day were up on the glass with their noses out of the water. I have now lost them all. I also lost half my guppies (which is not so bad as I have a few) and half my shrimp (also somewhat overcrowded). I'm scared now to do further water changes...
  7. I tried using them the first day I got them, and they didn't seem that extra keen, so I thought I'd use up my existing supply of generic algae wafers before swapping over. Also, due to some water quality issues previously posted, I've lost most of my catfish...kinda wish I hadn't bought two buckets
  8. UPDATE: I got up this morning and one cory had died, the other inverted vertically at the bottom of the tank but breathing. Tonight the 2nd cory was dead. I considered moving them last night to one of the other tanks in the same area, but they are all smaller and hence would be warmer during the day. So I judged them to be better off in the large tank. On a positive note, the 3 bristlenoses are now all back in their usual spots at the bottom of the tank. I've upped the pH again and we're closing in on 7.0. I'm still scratching my head as to what has caused this. There was nothing different about this water change to previous ones, other than the level being a little higher. On a side note, while all the other fish (swordtails and mollies) are doing fine, there is one male molly with what looks like significant internal damage along the base of his tail - it's all red and damaged looking. So all up - the past 24 hours has resulted in two dead corys and an unhealthy green male molly. All else is ok.
  9. I also clean the canister filter trays out every 2-3 weeks. It seems to saturate with muck that quickly.
  10. Temperature is usually quite high - 29 at the moment (with the heater switched off a couple of weeks ago). There is no CO2 components involved. I've just raised the pH to 6.5 and will bring it up to 6.8 over the next few days. The tank is also shared with mollies and swordtails and they are all swimming along fine.
  11. PH=6.3 Ammonia=0 ppm Nitrites=0 ppm Nitrates=15 ppm KH=25ppm (very low) - my tap water is around 150ppm This 300L tank has been running a few years and has 20% water changes each 2 weeks. I also has no lids, so 10% evaporates (so I remove another 10% and add back in 20% fresh). Nothing sprayed in this area. I add dechlorinator to each batch of fresh water. I use 1/3 tank water which has a pH of around 6 and 2/3 tap water - with a pH of around 7.1. Looking at the results I think I need to up my pH perhaps? In regards to surface agitation, the is a single air stone in the tank at maximum and a spray bar that is (now) at surface level. that's it. Any further tips? Thanks.
  12. I just removed 15 litres of water and added some Prime. I noticed one of the cory's gasping badly for air:
  13. Thanks, I actually DID fill it up about an inch higher than usual. So maybe add some Prime to the tank and/or pull out some of the water, would this help?
  14. .After doing my usual weekly ~20% water change on my 300+ litre tank on Sunday I wake up this morning (Monday) and notice all the catfish are at the TOP of the tank and looking pretty bad. The cory's look like they about to kark it and the bristlenoses are abnormally right at the surface, like they are starved of oxygen. I tested the water and it looks okay. Any ideas?
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