Everything is suffering. What am I doing wrong?
So I have a 75 gallon heavily planted tank. FX6 canister, two Finnex Ray II lights, 10lb CO2 tank with a MC122 pH controller. 4 hour photoperiod.
pH is 7.3
GH is 0-2 drops
KH is off the charts around 22-25 drops
0 Ammonia, Nitrites, Copper
Maybe 20ppm Nitrates
I keep my CO2 at 30ppm
I dose KNO3 and KH2PO4 only, every other day.
11 White Tip/Candy Cane Tetras
5 Enormous Cories of some kind
2 Scarlet Kribs
African Leaf (three inches maybe)
Some amount of Otos
3 Horseface Loaches
So my problems start at the acclimation process. I drip acclimate everything that goes in, but certain fish have a huge problem going in while others don't. The fish currently in the tank are very active. In the past I've added Marbled Hatchets that all died off one by one over the course of a week or so, ghost shrimp that all die in a couple days, same with cherries, knight goby, rummynose tetras, knife fish (jumped out, twice), gold nugget pleco, and emperor pleco. Now the plecos lasted a couple weeks before kicking the bucket, but it is inevitable. I can only assume that it is the CO2, but backing off on the concentration means an explosion of BBA which leads to the next problem.
I've had this CO2 system for a while now, but only recently got the controller (week ago). I got it because I leave it on 24/7 and have had nothing but constant trouble with Black Beard Algae. I figured it was because the concentration went up at night when the CO2 was not being used by plants. I have it calibrated and set to turn on when the pH is above 7.1 since that was the reading at 30ppm of CO2. My tap water is 7.7. So far the pH has only risen beyond 7.1 to 7.3 now, the monitor has never turned off the solenoid on my rig, and I have not adjusted the CO2 output.
What is going on?