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I got sick of getting boxes with crazy high Ca and there is no way to bring it down.I have never understood the endless debates about salt.
The only substantial difference between the various salts is the alk/calcium/mag levels all of which are remedied by a simple adjustment to match to your tank parameters.
Instant Ocean works and it is the cheapest. 38 bucks for 200 gallons. Why pay more for something else?
I got sick of getting boxes with crazy high Ca and there is no way to bring it down.
I don't keep my tank at over 500 Ca so when doing a WC I would see a spike. True it's not like it's an Alk spike but a spike nonetheless. And I have personally gotten two boxes in a row like that..Why is high calcium bad? That much less you have to dose separately.
I personally never have this issue with IO. Always consistently 10 dkh, 430-460 calcium.
I don't keep my tank at over 500 Ca so when doing a WC I would see a spike. True it's not like it's an Alk spike but a spike nonetheless. And I have personally gotten two boxes in a row like that..
Yea, with that application it wouldn't mater too much. But I'm over here doing 15-25% WCs on tanks less than 40 gallons. It matters to me. And when I got that box with over 700Ca and 16 or more dkh it was a box I got for a move. I brought RODI and my mixing station to the new place, set it up and left it to mix overnight just as I'd done countless times before. I show up the next day with my reef in tow and the water is cloudy as hel and parameters testing off the charts. It was a long drive so by the time I realized the problem the LFS are closed so I had no choice but to use the high parameter water. I got premade water the next day and everything lived except a cleaner shrimp. But was a terrible experience. I didn't hold it against IO but when the replacement box came and it's parameters were out of wack too I said f-it and changed to a slightly more expensive salt.Dang! I’ve never had close to that high.
I still probably wouldn’t worry about it because I do AWC, running every 10 minutes, 24/7.
i use fritz 8.5-9dkh/ 430-460calI started with IO because it was cheap. Worked fine for over two years until I got a box that mixed up to like 16dkh/700Ca and that was after it took it two days of mixing to clear up due to precipitation. Just a bad box so I complained and they sent another box. Mixed up to 14dkh/500Ca which was workable but not great. So I switched to HW, mixed to ~9dkh/490Ca... dkh is good but I don't like the Ca spike I get every WC. So I've got a box of Fritz on the way. If I don't like this one I'm going to try Tropic Marin Pro.
I like the cleaner salts because it saves me time but it really just comes down the parameter stability. I want a salt that mixes up to the same parameters box to box.
/and of course parameters that are close to what I keep.