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So - Quick story - I have had the same corals, fish, etc - for months - with good growth, etc. Apex rock steady All good. No problems. I switched my alkalinty replacement solution from Sodium bicarbonate - to sodium carbonate. I cut the dose of Ca and Bicarb in 1/2 - and tested frequently. I had a colony (the main green/brown one) - which was about 7 inches - which had left small pieces (of the same colony growing throughout the tank). about a week after I made this change - I noticed white patches on this coral (on all of the examples of this coral) in the tank. Note none of the other corals were affected - LPS, SPS, etc. But - white patches on this colony. I tested my alkalinity - and it had gone from its baseline of 7 to 12 (I don't know if this is because the coral overall stopped using as much - or if it was because of the change in bicarb). In any case. I realized that I also changed the H2O2 in my oxydator - as well as my chemipure (I did all the maintenance) - So - I wanted to start this thread - to make a little discussion - and as well to make a couple suggestions:
1. When doing maintenance - don't make too many changes 'at the same time'
2. Be careful when changing salts, varieties of trace elements, dosing, etc. ( I notice a lot of people wanting to change for Triton to Aquaforest - for cost reasons - while still using other triton products)
3. Be patient - because most of the damaged coral seems to be coming back.
4. Rather than any one 'number' - stability to me seems to be the key. If your parameters temp, salinity, alkalinity, etc etc have been rock steady - and they change suddenly - some corals - might not tolerate this as well as others.
1. When doing maintenance - don't make too many changes 'at the same time'
2. Be careful when changing salts, varieties of trace elements, dosing, etc. ( I notice a lot of people wanting to change for Triton to Aquaforest - for cost reasons - while still using other triton products)
3. Be patient - because most of the damaged coral seems to be coming back.
4. Rather than any one 'number' - stability to me seems to be the key. If your parameters temp, salinity, alkalinity, etc etc have been rock steady - and they change suddenly - some corals - might not tolerate this as well as others.