Shrimp and CSM+B ?
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Old 08-02-2015, 11:10 PM   #1
Raymond S.
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Shrimp and CSM+B ?


I looked up the ingredients of CSM+B for someone on here and noticed it contains copper. I haven't been able to keep shrimp since I started
doing EI ferts. No matter what I've done...food/TDS/etc they all seem to
die off eventually and most seem to die from not being able to molt correctly. I even got a few native ghost shrimp from the same water that
is in my tank and those molted rather quickly after being in there for about a week. But since then all have died except for one of them. In about two months.
Might this copper content of the CSM+B have anything to do/w this ?
BTW...I add "collected" water(from a stream) occasionally and the tank has lots of limphets but no daphnia. There are daphnia after I add this collected water
but they do not multiply, rather they die off.
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Old 08-03-2015, 11:19 AM   #2
Darkblade48
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I would not suspect the copper in CSM+B. The amount we dose should be fine for most shrimp (unless you are perhaps breeding exceptionally picky shrimp).

Keep in mind that shrimp also require copper in their diet as it is required for hemocyanin production.

I would suspect something else (perhaps water parameters) as the more likely culprit.
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Old 08-03-2015, 12:27 PM   #3
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I keep cherry shrimp and dose CSM+B twice a week 1/2 tsp for 80 gal without issues.
I noticed that flourish comprehensive has less copper and used it as well but the dry CSM+B was cheaper over the long haul.
Some suggest using Marine iodide at 1/2 dose for molting problem's but I have not needed to use it so have no experience.
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Old 08-03-2015, 04:20 PM   #4
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What is your gh/kh?
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Old 08-03-2015, 04:36 PM   #5
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5/3 I believe as of a few months ago. I had a flourishing colony of RCS for over a year
but then I started dosing EI, but only one dose per week. That was when this molting problem started. I checked all parameters at that time. The TDS were at 100 so I added some DIY GH booster made of only MGSO4 and CaSO4 and brought it up to 180 but no
change so I stopped the GH booster. Actually it's about 140 after I add the ferts.
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