doser for 29gallon biocube?

[ReefMadman]

I was thinking about getting a doser for my 29g biocube but i dont wanna break the bank...i dose calcium, strontium, mag and once a week 12 drops of iodine.
Any recomendations or ideas
Thanx

 

[Geraud]

Do you have a controller? If so, you can make a DIY controller like the ones sold by BRS for pretty cheap.

To make mine, I used the following thread on RC:

http://webcache.googleusercontent.c...hread.php?t=1773806+&cd=1&hl=en&ct=clnk&gl=us