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I think folks have had good success with the Red Sea kits. I wonder if your reagents are expired? I use the Hannah DKH for Alkalinity and it works fine for me.I only have 1 test kit right now and thats a red sea kit. Red Sea test kit is the only accurate and reliable kit that I'm aware of. Is there another good kit I can try?
Ok, I'll have to try that test kit out. Yeah, everyone has been saying that my PH is fine. I guess I'm just a little OCD. I just want to make sure my tank has good parameters for my coral to grow and flourish, especially for SPS which is what I'm aiming for.
does anyone else have any input?
how can I tell if I have precipitation? Correct me if I'm wrong but precipitation occurs when your overdose correct? I guess my kalk dose is higher than it should be with my empty tank but my parameters have been pretty consistent and I've started out with 1/4 tsp of kalk and slowly increased to 1.5 tsp until I was able to hold a stable 8.1-8.2 PH. Is there some other factor I'm not thinking of?
Agreed.Not sure what else you want to know, but the results in your first post seem entirely normal.
pH swings daily due to photosynthesis, whether you use limewater or not. Limewater dosing just tends to move the range upward.
pH is always a CO2 issue, assuming alk is normal. It cannot ever be anything else in seawater since pH is determined mathematically by CO2 in the water and carbonate alkalinity of the water. The only question may be where is the CO2 coming from or going to.
Ok, I've now setup my kalk to slow drip[...]to stabilize my ph[...]my tank is empty. Is this normal?