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Quick news on trying to dose equal parts of BRS two part. It doesn't work for me... I was dosing 18ml KH and 9ml CA as I said.. But I tried to dose equal amounts, I mean, 18ml of KH and CA but something went wrong and I couldn't get my dKH back to 8... I did daily tests and dKH always was at 7 and I found it weird. I increased the amount of equal dosage trying to find the point to get dKH to 8 and I found it was 90ml of TWO PART... I don't think I have the number of corals to consume 90ml of KH daily... so finally my KH raised to 8 but my calcium went to 500+ so actually I am just dosing 90ml KH and it stays at 8 but I am waiting for my calcium to come back to 450-420 to go back to the way I dosed before.. Using equal amount might be the right way but I just don't understand how to find the point or the balance...
What is the timing of your dosing? Are you dosing at relatively close time intervals? Sounds like your alk is precipitating out...
90 ml seems like a lot for a lightly stocked 67-gal. system.
I've found myself in the past chasing "ideal" numbers of soda ash and calcium. Before you know it your dosing 300ml per day.
Here's what I've learned and it has worked well for me. First, don't worry about calcium, focus on your KH for now.
Do a big water change at least a third and set your dosers to say 20ml of both soda ash and calcium. Test your water the next day to establish a baseline. Then do nothing for a week. After 7-days test again and now you will be able to calculate your consumption rate of each. Again, don't worry about calcium, if your numbers say you need to increase your soda ash to say 25ml a day then adjust both soda ash and calcium to that number.
Wait another week, do your tests again and see where your at. What I have found is calcium will naturally fall in line (more or less) with your soda ash dosing. I also don't force certain numbers, i.e. 9 dkh and 450 Ca because that's what everyone says is ideal. I let my salt set the natural range of my parameters. If you don't like a 7 dkh then try and different salt with a higher KH.
Also, numbers don't have to be equal, but should be close. As an example my daily dosing of soda ash is 65 ml with 60 ml of Ca in an 85-gal system.
Quick news on trying to dose equal parts of BRS two part. It doesn't work for me... I was dosing 18ml KH and 9ml CA as I said.. But I tried to dose equal amounts, I mean, 18ml of KH and CA but something went wrong and I couldn't get my dKH back to 8... I did daily tests and dKH always was at 7 and I found it weird. I increased the amount of equal dosage trying to find the point to get dKH to 8 and I found it was 90ml of TWO PART... I don't think I have the number of corals to consume 90ml of KH daily... so finally my KH raised to 8 but my calcium went to 500+ so actually I am just dosing 90ml KH and it stays at 8 but I am waiting for my calcium to come back to 450-420 to go back to the way I dosed before.. Using equal amount might be the right way but I just don't understand how to find the point or the balance...
What exactly are you dosing? Have you checked the pump volumes actually dosed?
The proper recipe is about 1 1/4 cups calcium chloride dihydrate per gallon and 1 1/8 cups sodium bicarbonate per gallon. [emoji3]
Just read the article. Thank you very much, it helped me understanding everything. My calcium gallon has 2 1/2 cups when the receipt says 1 1/4 as you said... Not sure if that applies to BRS too.. please confirm and Ill correct that on my tank!
Fine, they need to give the right instructions because now I'm wondering how many people around the world are dealing with the same issue. I'll go make 1 1/4 of BRS Calcium Chloride and start dosing equal amounts.. I'll post any updates! Thank you Randy!
The thing is, most of us don't know how to test with Red Sea, we usually get the value at the first color change.. but that color usually changes back within 5 secs. To have an accurate result we need to get the color change and make sure it holds its color.