I recently acquired a 75 gallon aquarium from craigslist. 36 inches wide 21 inches high. It originally had 6 angelfish, 1 pleco, 1 loach, & 2 saes, but I rehomed all except 2 paired off angels. When I brought it home, I couldn't get the Sun Cannister filter it came with to properly seal, I spent 2 days trying to fix it and trying to keep the media alive in a bucket until I caved and bought a fluval 406 from petsmart (cost more than the entire original setup). I have a NICREW Deluxe LED Aquarium Light, Full Spectrum Fish Tank Light for Planted Tanks, 30 to 36-inch, 28-Watt, 1800 LM, 7500K on for 6.5 hours day, with a 1 hr break in the middle (3.5 hrs on, 1 hr off, 3 on). No C02.
Anyway, now the older anubias leaves are struggling, they have holes and are wilting away. Possibly magnesium deficiency? Some brown algae. And despite water changes, nitrates remain at 80 ppm- I am wondering if the media being left out for two days led to this, or the filter is just too dirty, I'll try rinsing the media with aquarium water soon, any other suggestions? I've been feeding less. I've heard of "old tank syndrome"?? This one has been running 2 years.
I'd like to get this tank thriving, low tech preferably, but if I have to add some sort of fert to get it looking spic and span, I'll do it. I also don't have an aerator going because I don't like the noise of the one I have, should I be using one with just two fish? Hoping to get a school of red phantom tetras eventually too.
Thanks for any help!
https://imgur.com/a/wVNnOdI
https://imgur.com/a/4ux86XF
Anyway, now the older anubias leaves are struggling, they have holes and are wilting away. Possibly magnesium deficiency? Some brown algae. And despite water changes, nitrates remain at 80 ppm- I am wondering if the media being left out for two days led to this, or the filter is just too dirty, I'll try rinsing the media with aquarium water soon, any other suggestions? I've been feeding less. I've heard of "old tank syndrome"?? This one has been running 2 years.
I'd like to get this tank thriving, low tech preferably, but if I have to add some sort of fert to get it looking spic and span, I'll do it. I also don't have an aerator going because I don't like the noise of the one I have, should I be using one with just two fish? Hoping to get a school of red phantom tetras eventually too.
Thanks for any help!
https://imgur.com/a/wVNnOdI
https://imgur.com/a/4ux86XF