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i use sometimes destilated sometimes RO depends on the kH what do you think about Deltec MCE 600 skimmer and i have 5x20w t8 bulbs so i must change...
im thinking of buying a skimmer or changeing from neon to led what would be a better choice
hi im new to the forum and im from Croatia so sorry about my english... i have a problem with GHA, 1 year old tank water quality is good fosfates...
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