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- Feb 6, 2017
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22 days into my first cycle which is fishless. Using krill granule for my ammonia spike and a little help with bio spira. 20 gallon tall tank with about 23 lbs of live rock 40lb of live sand and a reef octopus 1000 hob and keeping up with weekly water changes. I noticed a white/clear algae growing on my rock. Sponge maybe but not sure. Peramiters are NO2 5ppm NO3 0ppm CA2 480 KH 214.8 ppm pH 8.2. Any input would help!