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First off go out and buy a refractometer, if you are going to be mixing your own saltwater it is essential. As I personally found out if your salinity is off then you are just working uphill (especially when you think it is fine). There is a little something screwy with your alk and ph...
It will be a mystery as the site of all three is very elusive. Usually happens when large amounts of hard liquor are consumed (generally by all) then no one can remember if it actually happened and all the photos are just a bit too out of focus.
I will take full credit here because as first you were not even going to put the screen top on the tank when you were doing the canopy rebuild. Once I saw you took the screen top off and were not paying attention I snuck and took my shirt off which just scared the fish right out of the tank...
Test Alk first, different salts can have different levels of alk and softies can be very sensitive to a big swing in alk. For the future, when switching salts do it gradually. I assume you meant 90 gallon tank and 15g (when adjusting for water volume lost to sand and rock) could be over 20%...
Sorry we missed it guys, Nikki came down with the flu monday and I came down with it on Thursday. Needless to say you did not want the two of us around you yesterday. Glad it went well for everyone involved.
Even though the captive bred ones are more expensive initially, they wind up being cheaper because they don't die like that and you have to replace them. I know Trop gets in captive bred (which is still a ride for you) and they are generally 25-30 bucks a piece (and with the discount they are...
A dip in revive will knock all the crab off and it safe for the coral. The problem is it will kill the good acro crabs so if you want to save them you have to pull them off before the dip.
The candy pistols are good diggers but nowhere near the tigers. We have one with our yasha pair right now in our 12g and he has burrowed out a good bit but now he seems pretty satisfied with it. They stay much smaller than the tigers but are good shrimp.
Tigers are by far the most entertaining of the pistols. I think they wake up and their first thought is "Should I did today? Yeah lets dig today." Repeat that every day.
He does eat some asterinas, we have watched him do it. However the population is much higher than he can control so Manual remvoal is required. Harlies go through the stars much quicker as they are like potatoe chips to them.
Thought about it, but catching a harlie that does not want to be caught can sometimes be quite difficult. He also looks great in the 57g and the star is doing very well in the 45g so I am cautious about changing them around.
I have asterinas that chomp on zoas, it does not make me happy. I have done a lot of manual removal and adding the harlie in the 57g has really decimated their population in there. I can't put one in the 45g where the zoa eating ones are because we have an orange linkia in there that I do not...
Water changes with RODI and regular salt to get it down would be the best way. If you can't get access to those, some calcium dosing would help but be very very careful with that because you can swing it the other way too quickly and hurt your tank. I know this from experience.