Looks great! Only thing that I can see that may be a problem is your jungle val taking all the light from the plant in front of it (rotala?) once it starts growing. If it's the plant I think it is, it will need to be in a heavy light area and a low light plant will do better in it's spot.
I feed 3 twice a day. There stomach is only as big as their eye. I’d let four of your bio gold pellets soak in water and see how much they expand. Makes it a little easier to see if you’re over feeding.
Three times a day seems like a lot.
I will be visiting my sister in a couple weeks for about two weeks. I have someone coming on the weekends to feed and top off my tanks. The only problem I have is that she will not be able to run the co2 when she's there. I don't have a solenoid for either tank.
I'm probably most worried about...
As @varmint stated, try halving the dosage of excel. Excel tends to melt anacharis. The tips still look okay. That about how much green left I had in the ones in my profile pic and they grew after about a two weeks.
With a heavy bioload I would add another filter. The penguin 200 has only 200 gph giving you almost 7x the volume of the tank per hour. For HOBs you want to aim for 8-10x. For goldfish and plecos, I would go extra. You can add a sponge filter or an internal filter, they're on the cheaper size.
Wouldn't recommend a community tank for a 10 gal with a betta. While there are a few options for tank mates, including snails and shrimp, I would wait until your tank has cycled to add them. They are sensitive to poor water quality so I'd cycle the tank with just your betta.
I use crushed coral in all my tanks. My water doesn't even register on the pH test kit so I assume it's six or lower. Only problem I find with crushed coral is that in order to buffer it dissolves so eventually you have to add more and adding the appropriate amount is hard and can cause a spike...
I mean, I understand what you're saying about needing more nutrients for higher light, I just didn't understand why you need three brands that dose all the same thing (since Thrive and Easy Green are both macros and micros fertilizers just different composition percentages).
Research, honestly. Seriously Fish is a great website that can help determine what a fishes requirements are including tank size, temperature range, food requirements, etc. You can also post on here in the stocking section. There are quite a few stocking lists on this website
I do 2-3 pellets twice a day. Haven't had bloating problems with any of my bettas. I've recently switched to Bug Bites and the pellets are smaller so I'm still trying to see how much is enough for them.
You could try halving the dosage for them. They also do better in lower temps. I had them melt at 78 degrees but do fine at 72
Well excel is a CO2 liquid supplement compared thrive and green bottle which are macro and micro ferts
5.5 gal tank would probably suffice. Unless it gets extremely cold where you live, you won't need a heater but they do grow faster the warmer the water is. You can usually get the snails for free from petco or petsmart or an lfs. I feed my colony zucchini slices, carrots, bottom feeder pellets...
I was wondering how the Finnex Fugeray Planted+ Clip on light would work for red plants. I have AR mini in a 2.5 that I planted a couple days ago from tissue culture. Dosing Iron and have CO2 injection.