What test kits do I need?

[Nuhtty]

Currently I have the following:

pH
ammonia
nitrate
nitrite
calcium
phosphorous


What other test kits should I invest in for future reef keeping?

[Scuba Dog]

alkalinity and magnesium....also take a peak at a refractor and a ph probe ....

[divewsharks]

i 2nd what scubadog said.....

[Nuhtty]

How much is a good refractometer price-range wise?

[masson]

35 Bucks from the Reef Central sponsers.. lemme check ... http://www.reefcentral.com/ads/adclick.php?bannerid=12&zoneid=0&source=&ismap=

[Briankook]

IME, I'd get a test kit for Si also. (Silicates)