KH15 gh20 saltwater fowler

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Davehudson

Aquarium Advice Newbie
Joined
Apr 24, 2017
Messages
3
Location
Fareham, Hants
Hi had fowler tank for 5 years. Only just started testing Gh and Kh.

Ammonia 0, nitrite 0, nitrate 0.
Kh 15, Gh 20.

How can I correct this.
 
Can I ask why you are testing these now? These are levels that aren't really important when it comes to fish only systems as there won't be coral drawing alkalinity, calcium, and magnesium from the water column. I don't understand what needs corrected as weekly water changes will keep the level constant.
 
Can I ask why you are testing these now?

Have a 80cm cube with 40kg Fiji rock with numerous mushrooms, plus two tubes each with 3 flowers. I intend to get anemones, and soft corals.
I producer Ro/do water from which I do 50 litre water changes weekly.
 
Unless your tank is filled to the brim with corals, weekly water changes will provide the needed replenishment of elements your tank needs.
As long as your lighting is keeping the soft corals you have now, there shouldn't be an issue keeping others. Just make sure that your light is intense enough to keep anemone as they have very high lighting requirements. They don't even notice alk swings in my experience.
 
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