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I haven't seen my bristlenose catfish for a week now. The lfs said he's probably hiding but then someone else said he could have got stuck somewhere. I've searched everywhere in my 180 litre. Would any of my fish have eaten him?: Neon tetra Dwarf neon rainbow fish Guppies Bumblebee gobies...

I've fishless cycled 4 tropical tanks successfully, but this current one's nitrate levels won't fall below 40ppm. I don't understand? I've being cycling using ammonia. It usually takes me about 3-4 weeks but I'm in week 8 and although my ammonia and nitrite are cycled and not showing on my API...

I have a 180 litre tank and every couple of weeks one of my fancy guppies seem to become weak and eventually die and the same with my neon tetras... I'm not sure why. My water parameters are all good and I use RO with added minerals to pwc each week. The hardness is around 7-8 and temperature is...

Hi I have a male betta in a 19 litre tank and I want to either buy a new larger tank for him say 80 litres... or add him to my other tank but would there be a fight? My large tank has: Neon tetras Fancy male guppies Harlequin rasbora Dwarf neon rainbow fish Bubblebee gobies It's just my betta...

I have moved four male guppies from my 180 litre tank to a 19 litre tank as they were relentlessly chasing and nipping two other weaker male guppies. One of the ones they were chasing has since died and i am gutted. I don't want to lose another one. How long can I keep the four guppies in...

Hi I have a 180 litre tropical tank with: 6 dwarf neon rainbowfish 6 harlequin rasbora 4 bumblebee gobies (freshwater) 7 neon tetras 7 male guppies I have one or two male guppies that bully one other guppy so I moved the weaker one to a hospital tank to give him a break. I read somewhere that...

One of my neon tetras has always been smaller and a lighter red than the others. I always thought he was so cute because his eyes looked too big for him - not massively but slightly bulged. Now I'm concerned that he might have been sick. About two weeks ago I noticed his fins were tatty and I...

I'm undecided about whether to continue with RO or go back to tap water for my two tropical tanks. Which is better for fish? I test my tap water regularly and nitrate is around 30ppm on a good day or 40ppm on a normal day and that's before adding it to the tank. What advantages are there of...

My water parameters are all good but some of my fish seem to have started to get finrot and I have noticed the guppies rub themselves on the substrate occasionally - they haven't done this before. Could it be early signs of ich? I have 32 small fish in a 180 litre tank so I don't think it's...

Is he okay? I noticed that one of my harlequin rasboras has a white spot at the end of his mouth is he ok? Also one of my neon tetra has a little lump on the side of his mouth - it's hardly noticeable but I try to inspect my fish every day. Are they ok?

I have just started to convert my freshwater tank to brackish after realising that my bumblebee gobies should be in brackish water. I've only just got the salinity to 1.001 and I bought a GH and KH liquid test kit. My KH is reading 9 dKH / 161.1ppm but I can't get a reading from my GH. The...

They aren't moving much :(

My friend has two sexy shrimps in a 19litre tank with corals, two snails, live rock and a Pom Pom crab. The sexy shrimps used to move their bodies constantly and they don't seem to do that so much anymore. They are almost still. She feeds them frozen shrimp once a week, coral and shrimp food...

I have a 180 litre tropical freshwater tank My fish: 8 neon tetras 1 guppy 6 dwarf neon rainbow fish 6 harlequin rasbora My tank seems under stocked but I like how the fish have lots of space. I may buy some more guppies to keep the one I have company. At the moment I feed them every other...

I have been posting rather a lot on here recently - hope I'm not being a pain :( I have a new 180 litre tank with 21 small fish - 6 dwarf neon rainbow fish 8 neon tetras 6 harlequin rasbora 1 guppy All my water levels are good. I recently fishless cycled the 180 litre with 3ppm ammonia and...

I posted earlier today about my tap water having a nitrate of around 20-40. When I tested my tank water it was really high so pretty concerned about it. Should I do water changes with RO to bring the nitrate down? Also how can I do this without messing up my ph levels?

I have just fishless cycled two tropical fish tanks - the 22litre is showing 10nitrate but my 180litre has between 40-60 nitrAtes. I'm doing a 30% water change - what is safe for fish? And how do I get the nitrAtes down?

My friend has a 19 litre fluval spec tank and has a number of corals. She has had the tank for a month and is a newbie. It's been difficult to find information on corals and how to care for them etc. how and what to feed them etc. Does anyone have any suggestions or links to good sites about how...

I have adopted five neon tetras, one female guppy and five bumblebees from a friend and they are all doing fine in a 21 litre tank. I feed them once every other day as the tank is overcrowded just while I cycle my 180 litre tank for them. Only about another 7-8 days and it'll be cycled. I...

My friend has a 19 litre salt water tank with a sailfin goby... her water levels are all good, no ammonia or nitrite. Ph is fine. Then she put in three corals at the weekend and her sailfin stopped eating yesterday and was breathing rapidly. The lfs told me to put an air pump in temporarily. He...