Help and Advice

Ok I have come to accept that keeping my tank water parameters (KH, Ca and Mag) is proving difficult in terms of time and accuracy of dosing to the level I need to to keep healthy SPSs. I've realised this after trying a few frags and losing them due to fluctuations in KH or over dosing too much Mag, as I did recently.

I am looking at buying an auto dosing pump with 3 channels/pumps at a cost of approx £220 or a calcium reactor which will be much more expensive but maybe simpler to use. I...