Need some help..PH problem..

eng50

eng50

Member
Here it is,
Current levels
SG 1.021
PH 7.9 (evening)
Am 0
Ntrite 0
Ntrate 10
Alk 9.5 dKH
CA 450
Phosphate .1
This is the first I caught the PH drop, last measured 3 days ago...as normal 8.3
Things different...Refugium 5 gal with 65 watt PC light 24 hrs added x 1week or so...algea in there 5 kinds, all doing well, except "razor" type, its all brown.
Kent phosphate sponge added 1 week ago just to assure Phosphate levels lowest possible...I just removed it...and caused a slight haze in water...
What is possibly going wrong and what should I do about it??
Is it the algea going bad due to much light?, should I change to a reverse photoperiod?
The only livestock issue currently is a conch not doing well, keeps flipping over like he is dead, but is alive, done this several times over past 2 days...Normally a fast mover..
And I just fed this evening, no more or less than usual everyother day...
Any input would be appreciated!!!!
 
eng50

eng50

Member
Well this morning as expected PH is a little lower, around 7.8 or so, hope fully it will come up with the light on today. and I will be doing a water change for lack of any other solutions.
It would be appreciated if someone would give thier thoughts though....Thank you...
 
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