Hi guys,
I'm new to this game and have just bought an established 48L river reef tank off eBay. Yes probably not a good idea. It has rock, a pair of clown fish, a pair of demsels and a couple of snails. Everything looks healthy and happy but ove just tested salt content with a hydrometer hydrated and it's gone off the scale. Would small water changes every few days with RO water be the answer to this? Thanks in advance for any advice

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Hi welcome to the forum

Don’t do anything to quickly as in that size tank a small change will have a dramatic effect.

The best thing to do is ditch the hydrometer and get a D&D refractometer and then recheck it.
I would take out 100ml of tank water and replace it with 100ml of plain ro.
But as I say get a refractometer or get it checked by your lfs or a friend first.


Tim

Thank you for your advice I will let you know how it goes

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