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So we've been proceeding with the salt treatment and water changes. The area of the molly's skin is now white and seems a bit bigger. Is this just healing? Or could it point to something worse? Mood wise he appears to be eating more now, no signs of issues on other fish or other parts of his body

Ok, given the tetras in there should I go for the lower salt concentration first? You didn't answer whether you thought it might be an injury or something else? Thanks for your help

Yes, have been cleaning the assembly every month or so. In terms of what it looks like and what we should do? Water change then some salt? Does it look like an injury and this is a precaution or anything more sinister? We have neon tetras in the tank too (x12) all seem very happy aside from...

Tanks is 50cmx80cmx35cm, 120l GH 16, KH 14 (API drop test), pH 8.2 (aerated). We filter the water with pozzani nitrate filter as local water has higher nitrates. Tank is cleaned every week, 20% water change. You suggest a big water change for a week, but also salt which implies not changing...

One of our mollies has been hiding for the last few days but would come out for food. He looked fine, but today we've noticed something on his underside and we're obviously concerned. He has been hiding in a plastic pirate ship so could have hurt himself going in or out of that, or it could be...

Just be careful with magic eraser, it is an abrasive... it is effectively acting like fine sandpaper so if you find yourself scrubbing you are scratching for sure!

Pozzani filter arrived - service from them exceptional - water through the filter comes out at 0 nitrates. pH seems lower compared to my tap water (6.5-6.8) but tank is running a bit high anyway (perhaps the rocks or the oxygenation bringing it up) so will just keep an eye on it to see if it...

Essjay, Since I'm filling up from a garden tap anyway (to avoid my house wide water softener and any other interventions), the pozzani nitrate filter looks like it would be a really easy solution and could easily spend that much trying to find in-tank ways to solve the problem. Better to solve...

Yes, I have been shaking the bottles (now) - that was my original mistake when I thought my nitrates were near zero. I will do some more readings tomorrow under natural light (of tap water and tank water) to see if I can tell the difference. I'm reassured to know that although higher than...

NT Labs test (of tank water) API labs test (of tap water) - this seems to have got a bit darker even (was about 30 minutes ago I did this test)

We do have some live plants, we could get a few more if it were useful. What tester do you use to be able to tell the difference between the higher values?

Hi guys, I posted the other day about high nitrates after my cycle and thought that I understood everything. When we left the story I had done some substantial water changes and, according to my NT Labs test kit, saw low nitrates and went ahead and bought some fish. 4 nice mollies. I threw my...

I understand the dilution effect. I've done two 50%'s changes now. The NT Labs test tube tester is showing near zero, but the API tester is 40+. I think the API tester is now broken because we used solution 2 for 20 odd tests without having shaken it up - so the suspension in there must now be...

Super... I had done two 25% water changes earlier; now I've just done a 50%. I'll test it again in a second. The API test (now I have it working) seems higher than the NT Labs one -- since we've been using the API Labs test for about three weeks without having shaken bottle 2 properly, I...

Hi, I am a newbie fishkeeper. Well, no fish yet! I have been following the fishlabs fish-out cycle instructions (basically adding ammonia each day and waiting for the bacteria to form). Three weeks in and the ammonia is being converted overnight, and the nitrites too. We have been checking...