The brand of my T5 is Aqualife. The reflector is much wider than a coralife T5 I owned once which i see used by many here on these forums. I figure it's pretty decent.
It could very well be a lack of oxygen, I've ran an airstone over night several times, and noted that my drop checker gets almost as blue when I simply lift my spray bar out of the water a little. I believe the flow provided by my eheim 2213 is adequate. I have a Do! Aqua lilly pipe which is collecting dust... I believe the default eheim spray bar is great, and when set up to provide flow from when end to the other; does a decent job of moving the water evenly through the tank. My c02 diffusor is set up across and the bubbles don't have a chance of reaching the surface.
I don't believe I've had any ammonia for a while, haven't been testing regularly, however today's results as well as the last time's are both 0ppm.
Previous to filing the 2213, it only had the bio-media from my aquaclear that i was running before. I have since then added a box of eheim's Ehfisubstrat Pro, bringing the filter to it's capacity of media. So yeah, a lot of the media within my filter is new, could this be the culprit? Once it's established there shouldn't be any lack of beneficial bacteria .. since 90% of the filter is the ehfisubstrat Pro.
My phosphates will dip to around 1.5 before i dose, this was before I upped it and since then it's been over 2.0 consistently. Should I dose even more? is 5-7ppm beneficial?
I figured the excessive GSA was simply due to how much light i had, 115 watts, sitting on my tank, making it about 16" away.
Regardless, my glosso needs a serious trim, which brings up another concern. I'm afraid to go forth with an aggressive trim . . especially since I have reduced the light . . will the glosso grow back just as dense with merely the T5HO? It's super thick right now, and is now sending runners which have no where to go but on top of everything else. Tons of horizontal runners, no vertical growth as far as i can see..
I'll need some curved scissors to due the hacking I figure, yet another tool to collect hah.