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[Killietalk] NABS hatching recipe
Date: Thu, 21 Jul 2005 13:46:44 -0700
From: "Scott Olson" <olson7 at hotmail_com>
Subject: RE: [Killietalk] nauplii color?
To: killietalk at aka_org
In view of Al's poor result and an earlier mention that these eggs are from
Lake Michigan...? If so, they must require (or at least tolerate) a very
low-salt hatching solution, I would think.
Could it be that the NAB's require a lower saline concentration to hatch
Those who have used this brand successfully, what's your hatching recipe?
You raise an interesting point, but i don't think my salt concentration is
particularly low. I use about 3 heaping tablespoons in a 1qt jar I aerate
for 24 hours. The SG of the water is about 1.022 (measured using a beer
hygrometer). I hatch the eggs, drain through a brine shrimp net capturing
the water in another jar, top off the drained water with fresh tapwater and
hatch again, usually about 1 tsp of eggs at a time. I make up a new batch of
hatching water about once a week, and I use Reef Crystals or whatever other
marine salt mix I can get cheap, got a 10lb bag recently for free which will
last me awhile. I've used the same procedure for 10+ years of hatching
BBS...wait... it's more like 15+years now...aggh... and it's pretty
reliable. The Brineshrimpdirect eggs have been the only ones that don't work
for me very well, even when I hatched them in seawater, so my experience is
completely the opposite of Al's, I guess he may be using a much stronger
solution. Either that or I got a bad can of those eggs, I really have only
ever tried the one can and it didn't make that reassuring popping noise when
I opened it.
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