This bacteria is similar to the white film that grows on wood added to an aquarium.
Usually a combination of a New Set - Up Aquarium/Immature and unhappy plants!
Clean off the scum/film and do extra water changes a tad more surface agitation will help and it should disappear eventually.
Welcome to the UKaps👍
I like the option of these filters as the flow can be reduced very considerably.....from full power to a gentle cascade!
Yes I did add a Dennerele Nano heater but the temperature adjuster got stuck at 22 degrees..... so I replaced it with a
No issues with this heater 👍...
Yes, Ive used Tropica soil/powder it always lowers my hard tap and reduces the pH.
Eventually it loses its ability to lower KH/pH after a number of years!
Tropica Aquarium Soil is a Japanese natural volcanic granulate material. Aquarium Soil naturally reduces your KH and pH value and enhances...
You need to add Nitrate, Potassium, and Phosphate and in some cases Magnesium...also!
Plecos will rasp on plants and cause leaf damage!
The floating Amazon Frogbit looks pretty green so maybe lacking Potassium/Phosphate/Magnesium.