15g fw
2-15W Light
Overhead filter (300L/hr) with foam/charcoal filter, replaced the combination filter with a foam pad last Wednesday when I started melafix
4 male fin-nipping

guppies
1 male molly, 2 female mollies, and a few babies I saw the other day
ammonia test zero (done the other night as I wanted to check it when I replaced the filter that morning)
ph is either 7.5 or 8.0 (only have the 0.5 increments)
no nitrite, nitrate or other testers

still looking for KH
I placed a DIY CO2 (only last night, so algae or whatever it is have been there before the DIY CO2)
approx. 8 plants
Tank have been setup for almost a month (1st week no plants, 2nd week, 3 plants - removed 1fake, 1 died). Then added 3 plants on 3rd week, and 4 more on 4th week). I have put it some liquid fert (tetra florapride - 15ml), when I added the plants on the 3rd week, and adding 5 drops every water change, except for the past 2 days, thinking this was causing it)
For the past 7 days, been doing 25% water change daily (was doing wc every other 3 days before that). Added melafix (6ml) and salt (half teaspoon), every water change because of fin rot on the guppies, for the past 3 days. Adding seachem aquasafe water conditioner, and also the ferts (except for the past 2 days)
Algae is white, so it's causing the glass to be a bit hazy, but still clear though.
I think that's about it. Sorry no other tester available.