The Good. The Bad. The Ugly. At the reef expo 2013 I did a talk on local snails. It is covering just the most likely snails you could encounter while rock hopping or pool splashing. The images are all courtesy of Sea Shells But its difficult...

I did some research on reverse osmosis in a bid to understand what is happening in our RO machines, I thought some people may find this and interesting read and have tried to summarise what I have found in the text below which has various...

Below are recommended water parameters that can be used as a guideline for general marine tanks. pH - 8.2 to 8.4 Salinity - 30.5 to 35 (or 1.023 to 1.026 Specific Gravity (SG)) Calcium - 380-420 Alkalinity - 6 to 9 dKh (ideally 6.5 to 8.5...

A few more examples I found which helped me: Salinity: NSW levels average around 35ppt. This is what we should be aiming for within a reef tank. However areas such as the Red Sea have higher than average levels at around 40ppt. If you are...

Hennie, I was wondering if you could possibly give us a short list of "generic" alternatives to the more expensive Branded Chemicals? Hennie, I was wondering if you could possibly give us a short list of "generic" alternatives to the more...

Whilst browsing through the local forums, I have come across regular references to the vodka method here and there. Just the latest example which has caused me to become very concerned and quite frankly, annoyed : Quote: Ive done a 75l water...

I have been reading through a book that my daughter took out at her school library for me to read, shame, very thoughtful of her. The book is called Sea Fishes of Southern Africa, with most of the photo's by Dennis King, incidentally, did you...