i have read lots of post about ground probes and may add one shortly. I dont have one right now. Everything else is doing great
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95G AGA Wave| 120# Carib-sea Aragonite |100# Fiji live rock| euro-reef 80 Skimmer | Megalflow 3 sump | 6 bulb Tek-light T5 HO
250G AFY | 150G sump | 100G fuge | 35G frag | Reeflo ORCA 250 | 3x250w Halides | t5 actinics | Oceans motion custom "2way-4way" |