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Copper Sulfate is used in aquariums, ponds, and pools as an algaecide and also as a treatment for parasitic bacterial infections in fish. The same properties that allow it to work in these roles make it perfect for use as a biocide in PC water cooling. It functions similarly to silver, in that it interrupts the metabolic processes of bacteria and algae. In fact, some hospitals use a combination of the two, in copper-silver ionization, to ensure the sterility of their water source. Copper Sulfate in it's crystal form is blue in color and this is were the slight blue tint comes from.
Dead-Water is very powerful, and should be used sparingly, at 1-2 drops per liter. It can be used alone, or as extra insurance against growth in conjunction with silver killcoils in Pure-sil or other pre-mixed coolants.
Total Reviews: 7 Average Rating:
Tried and True12-15-2014
Reviewer: math_dude (2)
It''s copper sulfate, which has been used for centuries as a fungicide, pesticide, herbicide, and various other applications. I get a lot of these for free, or nearly free, when buying kits from FrozenCPU and other sites. There seems to be a surge (based on my clients'' specifications) in custom water-cooled builds in the last couple of years. These drops have performed great when used in conjunction with a pure copper or silver coil/plug/coin (yeah, I had a somewhat weird customer that used a 1 troy ounce American Silver Eagle coin in his loop). Use these two with a cheap solution of distilled water with 2.5% to 4% hy-per-lube super coolant(go to an automotive parts store) and you will only need to flush out the system every 2 years. BTW, 2.5% coolant to 97.5% distilled is a 1:39 ratio (4% coolant to 96% distilled is 1:24). Just don''t go overboard on the coolant or you will have dezincification if you have any brass in your loop. However, I am digressing. These are great with 100% distilled water loops or used in combination with other substances.
Reviewer: Skynet (1)
excellent stuff I''ve been running this product for 4 months now with no problems All you need is distilled water adult coil can a couple of drops of this stuff and you''re good I highly recommend this product
IandH Dead-Water Copper Sulfate Biocidal PC Coolant Additive03-02-2014
Reviewer: Bitspower G1/4 Thread Flow Senso (12)
Got this and a silver plug for use with distilled water. Its been several months and is as clear as can be still. I will be doing regular bi-monthly water changes.
Reviewer: xneowolfx (4)
and a kill-coil for double insurance against growth and your loop will be practically trouble-free.
Does what it claims!12-31-2011
Reviewer: Tom Servo (23)
Prevents growth within a cooling loop!