Ph 7.4!! Please help

First off give us more details to work with.

Size of tank, how long has it been up, what's in it for inhabitants, how much live rock and what's the lighting.

Most importantly, how did you meaure the pH ?
 
First off give us more details to work with.

Size of tank, how long has it been up, what's in it for inhabitants, how much live rock and what's the lighting.

Most importantly, how did you meaure the pH ?

Sorry,
75 gallon reef tank, 1.3 years, 3 snails died last week, my fire shrimp is still alive, my clownfish is up at the top of the tank floating but sleeping, my red coarse wrasse is hiding I hope. Lighting.. 2xfull spectrum led fixtures. 50lbs of live rock 70 pounds of dry rock but it's cycled. Fx6 filter, no sump or refugium.
 
Sorry,
75 gallon reef tank, 1.3 years, 3 snails died last week, my fire shrimp is still alive, my clownfish is up at the top of the tank floating but sleeping, my red coarse wrasse is hiding I hope. Lighting.. 2xfull spectrum led fixtures. 50lbs of live rock 70 pounds of dry rock but it's cycled. Fx6 filter, no sump or refugium.

Ph tested with a kit. Note that it was tested for high rang ph.
 
Test kits for pH are pretty inaccurate and really not recommended. A pH as low as 7.8 if fine and your test kit probably has at least that much error.

Is there a LFS that you could take a water sample to and have them check it. Even if they use a test kit it will at least be a second reference.

Other than loosing snails, which could be because they just starved, have you had problems ?
 
Test kits for pH are pretty inaccurate and really not recommended. A pH as low as 7.8 if fine and your test kit probably has at least that much error.

Is there a LFS that you could take a water sample to and have them check it. Even if they use a test kit it will at least be a second reference.

Other than loosing snails, which could be because they just starved, have you had problems ?

Thanks for your reply, I will do that first thing Tommorow morning, also will inspect the wrasse that I put in there yesterday.

About the snails, I think it's when I stirred the sand up a bit redoing my rocks
 
pH at 7.4 basically is impossible for a living reef. I'd check the alkalinity level, and if that was in the 7-11 dKH range, just ignore the pH reading.
 
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