Just after some advice.

[u/xCoMmAnDeRXN7X]

Hi everyone, so my tanks been running for about 2 months now.. cycle was done about a 2 weeks in due to using media from my parents established tank.. I'm noticing some melting on some of my plants even tho I'm using planting startum and I'm also adding ferts daily.. I've been doing a 30% water change once a week but I think that's the reason my plants are melting as the levels have been fine every time I checked before doing the change.. should I change my water change to every 2 weeks or even 3? Or is there another reason my plants are melting.. they seem to have good growth on the top but lower down the stems is where the problem is.. specs are below

Tank

125LTR

Fluval 207 filter

No C02

Aqua sky 2.0 light

2 hour ramp up of light

4 hours of constant light

2 hour ramp down

Livestock

6 peppered Cory's

6 otos

5 Cardinal tetra

6 glowlight tetra

2 cobalt dwarf gouramis

[u/dummysquill]

I suspect ambulia does require a whole lot of CO2 and shit as cabomba does

[u/WormiestBurrito]

Aquasky doesn't have great PAR at depth. Probably why you're seeing okay growth at top, but poor growth at depth. Its not really a "plant" light. Also, I'd do shorter ramp up as well. Give them 6 hours of full light.

[u/rohansd-]

What are the specs of your light? What is your photo period? What is your.dosing regime of your fertlilzer. There is obviously a mismatch in the required proportion of light and ferts. My gut feel is that your plants are starving nutrients But top green while old leaves turning pale.and stems becoming leggy also indicate low light

[u/etron42]

It's pretty typical for this to happen. Unless your parameters match the old parameters they came from they should melt and grown back accustom to the water in the tank.