Sisterlimonpot
Premium Member
I was reading the instructions that are on the bottle of brightwells lugol's and it states to test the water but a quick google search came up empty, what is a good test kit for testing lugol's iodine?
Test kit for Lugol's
- Thread starter Sisterlimonpot
- Start date
dudley moray
sisternofuselessknowledge
i believe seachem has one too
La Motte, salifert and a few others make iodine test kits. All of them tend to be tricky tests to perform. In seawater iodine exists primarily as iodate (IO3-), not in the molecular form as it occurs in lugol's solution. Several of the test kits claim that they measure all forms of iodine to give you a measure of the total iodine. I honestly don't know how the test kit could possibly give you such information and how valuable it actually is. Most hobbyists don't measure it and I've never known anyone to test for it frequently. With how low iodine's natural concentration is in seawater and that most foods contain plenty of it I've long since stopped dosing it myself.
Sisterlimonpot
Premium Member
That's the main reason why I asked, I remember reading that there are many different forms of iodine and I wanted to be sure to test for the proper one. However the more I read, the more I'm inclined to follow suit of everyone that doesn't test for it.
I'm just really concerned about the disclaimer on the bottle that says that it's an extremely powerful iodine solution and should only be used by advanced reefers.
That's hard not to take lightly.
d0ughb0y
Active member
lugols is iodine dissolved in potassium iodide, and iodine is toxic if you overdose. if you do not test, it may be safer to just dose potassium iodide.
FWIW, kent's lugols instructions is 1 drop per 25 gallons once a week, and for dipping corals, 40 drops per gallon of tank water. make sure you rinse the coral in tank water before putting the coral into the tank, otherwise the dip solution remaining on the coral will raise the iodine level in your tank.
FWIW, kent's lugols instructions is 1 drop per 25 gallons once a week, and for dipping corals, 40 drops per gallon of tank water. make sure you rinse the coral in tank water before putting the coral into the tank, otherwise the dip solution remaining on the coral will raise the iodine level in your tank.
