H.reidi.MN
New member
Its supposed to suffice for protozoan infections at 10mg/l or 40mg/g but advanced aquarist seems to think around 15mg/l for ich and 20mg/l for uronema
Thanks Chris -
Will CP eradicate ich at 40mg/g? I noticed lethargy / death for sensitive species such as wrasses & anthias at 60mg/g + prazi.
Day 16 (day 13 of CP treatment): The gash looking thing behind his pectoral fin is starting to look like 2 white dots...
Sounds more like Lymphocystis than active ich. I have seen several other people report bacterial and viral infections with the long term use of CP. Lymph, which is viral, will show up around a healing wound site if water quality has degraded since the introduction of the CP. Dosing an antibiotic at this point may not solve the issue. Have you done any water changes yet? Just because there is no measurable ammonia, nitrates, etc., doesn't mean the water isn't dirty. I typically do 10% water changes and just replace CP to the new water...
EDIT: I just went back and saw you did a water change. I would just continue to observe at this point. Can you post a pic of the 2 bumps?
Six weeks post-treatment of my DT and I am starting to see signs of crypto still on my fish, unfortunately. My Royal Gramma has been flashing off and on since about week 2 post-treatment. At first, I thought it might be a remnant from an eye infection he had in QT. However, the last couple weeks he has been flashing more often, and I see some faint spots on his pectoral fins. My Tailspot Blenny started flashing a few times over the weekend as well.
Not really sure why CP didn't work, but my theory is that it was adsorbed by the rockwork, or it was consumed by the die-off of snails and algae in the tank. Another possibility is that my lights affected it, although I had them at 20% during the 4-week period (I don't have UV LEDs in my Radions, though). Yet another possibility is that the strain of crypto I'm dealing with had a life cycle greater than 4 weeks.
At this point, I'm going to move all of my fish into a 40g breeder and treat with Cupramine for 4 weeks. As much as I like using CP, I don't want to subject my fish to yet another round of it since the long-term effects of exposure are unknown. I want to be absolutely sure I eradicate the crypto this time, and Cupramine levels can be measured and tested. I'm also going to do a complete tear-down, sterilization and rebuild of my tank. I've also be battling hair algae and cyano (as expected) post-treatment, and this will give me a completely fresh start. I'm actually looking forward to redesigning the rockwork and cycling a new tank.
I will still use CP as part of my QT regimen for new arrivals.
Sorry to hear CP didn't work out for you.IMHO, using CP in a DT with rock/sand introduces too much of an "X" factor to be trusted. Same as using copper in a DT. I've also read about people continuing to run lights, carbon, UV, etc. while using CP. More "X" factors.
IMO your lights probably degraded the CP, even at 20%
I have found CP to be very light sensitive. I have had treatment failures with low intensity LED's (AI's at 30% shining through submersed clear plastic trays with coral in them, in a 180g) followed by successful treatment outcomes (same setup) with LED's off and only ambient light from the room
Not really sure why CP didn't work, but my theory is that it was adsorbed by the rockwork,
without the ability to test CP levels this is all a guessing game and my guess is that CP is significantly degraded by light, based on my experience
Regarding lengthy treatments with CP, I've treated an Achilles for 5 months now and he is thriving: growing in length and girth, eating like a champ
without the ability to test CP levels this is all a guessing game and my guess is that CP is significantly degraded by light, based on my experience
I've been using CP for about 3.5 yrs and have had remarkably good success treating all types of fish. Before that I used copper for marine fish disease for about 40 years, and had treatment failures with that too, in fact far more with copper, primarily due to it's narrow therapeutic range: too low it's ineffective, too high it's toxic
Regarding lengthy treatments with CP, I've treated an Achilles for 5 months now and he is thriving: growing in length and girth, eating like a champ
Thanks Elliot. Really appreciate your sharing your experience...VERY helpful!
BTW, have you ever had any success treating Cirrhilabrus or Paracheilinus spp. wrasses with CP? If so, any tips you could share? I have had repeated failures with these two genera in particular. I have two Paracheilinus wrasses (P. mccoskeri and P. cyaneus) in QT right now, and plan to either observe or treat with Cupramine before introduction.
Rather than wait out the life cycle why not physically break it with the transfer method in two weeks? One batch of CP water could be made at the start. That's assuming CP would be effective for eliminating traces of a few other diseases. This is what I'm considering for QT of new arrivals, as long as they show no signs of infection. We all know the bugs are there.
Then do Prazi. Seems to me you could get the fish out of QT much quicker with confidence that at least ich is gone.