nitrates

I have a 280gallon 72x30x30in tank stocked with 2 silver arowanas, 3 cichla monoclus, sturgeon, 7 silver dollars, indonesian Tiger and an oscar. Nitrates are at 80ppm and it would never come down despite a huge water change. I use direct tap water + water conditioner as my water source. Can you...

I newly setup a 220 Gallon aquarium recently, and am new to this whole large aquarium game. I upgraded from my old 100 gallon since fish were getting larger. Fish include male motoro singray, 2 NTT datnoids, 1 red oscar. And plan on doing 50-40% water changes weekly. I currently have, 1...

I have a 120 gal tank with a high bio load and quite a few plants. Oscars, pbass, silver dollars, geos and pleco. I have been getting some low nitrate readings with the API test kit so I got a Salifert to vet it out. Last week the tank was a mess after about 5 days. Lots of feeding and messy...

Yet another question lol All my tanks have high nitrates (60ppm-80ppm). Even lightly stocked tanks have high nitrates. Whilst I'm not as strict as I used to be on wc (due to a knee injury), the longest the tanks go for is 2 weeks without one. Is there any way to lower them? I know plants can...

The Ultimate Guide To Water Changes | Water change myths | How Much Water Should I Change In My Aquarium? | Managing Nitrates - Dealing with High Nitrates | How often should I change my aquarium water? Why are water changes important? What are the long term effects of high nitrate...