How long has it been harder?
It was hardened for I'm guessing 2 months but I don't siphon my sand so not completely sure. It has been looser for maybe 3 months now and when I do break up areas, I have done so slowly(it was indeed like a rock).
Ok, so this is my first day. Let me tell you about my tank first. 200 gallon 8ft shallow reef. NYOS Quantum skimmer, 2 My Reef Creations media reactors(one with BRS GFO and the other with BRS Premium ROX 0.8 Carbon.), 2 MP40's, 5 Radions overhead my open tank. ATO system and 3 BRS dosing pumps. Apex Jr. controller, and Water blaster 7000. Very little coral because I kept losing them. A couple of acros hanging on, a few struggling acans, struggling jedi mind trick, frogspawn and a thriving purple sea fan. I just changed my salt mix over to Red Sea Coral Pro.
Today: dKh: 118 or 6.6 with Hannah Checker
Ca: not sure what happened because results are in the 1000+ range. I used the control solution and it measured about the same so I am going to throw that kit away and purchase a new one, hopefully tomorrow. (SeaChem Reef Status) This has NEVER happened before, so not sure what the deal is.
Mg: .96 or 1200ppm (SeaChem Reef Status)
Sp. Gr: 1.025 (ATC hydrometer)
Phosphates: 0.00 (Hanna Checker- HI 713 Low Range)
pH: 8.3
I just purchased Sodium Bicarbonate as BRS recommended for larger doses, it is mixed up and settling now. According to it's directions, I am to add 360ml of this suspension to get up to a dKh of 8. (calculating based on estimated 180 gallons of actual water in my tank).
I will not be adding any Calcium until I know what I am dealing with, unless you suggest otherwise.
I will be adding a total of 2200mL of Magnesium Mix(chloride & sulfate) over a 2 day period to reach my goal of 1350ppm Mg.
Up until today, I was adding 100ml daily of BRS 2 part system(soda ash solution and calcium chloride solution through my dosing pumps). I am now stopping this to see what my daily consumption is.
Please point out anything you see wrong with what I plan to do, any suggestions you may have, if I should change my test kit over to Salifert? Any and all suggestions will be appreciated.