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I've had many different opinions on which brands has the most accurate measure for Mag/Cal/Pho etc. Which brands are really the best to test my reef to the exact point? Thanks in advance.
What is best bulb for color and growth without using actinic supplement? Im using 150w 14k atm on SPS was wondering if i went with something like 20k would i have better results/look thanks in advance.
I will soon be going from my 20L to 29g which has a bit more Hight to it.Been looking into metal halides but not sure if i will need a chiller also running it with mostly SPS corals. 150W vs 250W? please help out!