Hey Ted, lets see.
I switched back to a CO2 controler so I have the pH set around 6.3. The KH is around 4. It might start a little higher first of the week at water change. I now do a once per week 50% water change. The GH is around 5. Water's pH is around 6.6 out of the tap rising to ~ 7.2. It varies as we have an acid neutralizer. We had leaking hot water pipes due to our naturally acidic well water - which precipitated the $1200 investment - which I have to almost completely bypass to get it where its at now.. So no mg or calcium dosing needed now.
Regards dosing, I started a Wasserpest style auto doser with an Aquarium systems 606 pump pushing CSM+B,KNO3, and K2SO4 for a three week period. The mix is in a painted plastic cereal container filled with water and ferts.. This mix is pretty much EI, though I went a little lighter at first and recently upped it. I may be bringing it back down, however...
It doses 7 days a week to reach EI levels, or just shy depending how I mix it. I dose both tanks this way. 65 gallon has moderate fish load. 90 a little heavier. But this might be too much with AquaSoil - with all the nutrients in that stuff?
Here is the mix level for the auto doser which runs for one minute every night at 10 PM:
CSM+B = 1.75 teaspoons for three weeks
KNO3 = 4.5 to 6 teaspoons for three weeks
K2SO4 = 2.25 teaspoons for three weeks
I believe its pretty weak by the third week, however.
I dose PO4 manually (unless I space it) on MWF with 3/16 teaspoon, sometimes a little heaped. And Seachem roottabs for the Cyperus helferi and Crypts/Crinum/Eriocaulon etc. Sometimes, maybe once a week or every other week I'll dump in 30-40ml of Excel at night, on a whim. I don't use a UV.
If things look yellow, 3-5 mls of Seachem Iron - rarely.
Lights are on around 8-9 hours total with 3 to 4 hours miday with 4x 54 watt T5 and rest of the photoperiod with only 2x54 watt Tek lights. I do vary miday times depending on if I see algae. And every rare once in a while I do a two day all lights out. Sorry this is so long.
Three Tanks...Eheim 2128 & XP3-90G, Eheim 2128-65G, Eheim 2232-25G.... Tek 4x54 watt T5-90G, Aqualight 96watt PC 65G low tech, 65 watt Aqualight-25G.... Hydors-90G & 65G ... Flourite in 90, 65, & 25 Gallons, .... Auto Water Change/Auto dosing on 90 & 65 gallon..... AGA member......