does blood causes a ph drop?

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ronnie08

ronnie08

Candiru
MFK Member
Sep 27, 2008
267
1
48
new zealand
i have been trying to stablize my ph for a while ..been slowly adding coral to buffer it.went to the local lfs today to get some more coral..got talking to the owner and he said what was i feeding my tank so i told him a varietry of either fresh beef heart,chic heart,prawns and fish fillets.

he said that's my probelm the blood from the heart's is causing my ph crashing...

what you guy's and gal's think?
 
Remind me to confront him over an unfounded explanation.:screwy:

Blood is far too miniscule in amount to have an impact. What are your KH and pH? If your pH keeps lowering, then you need to consider dosing calcium chloride to increase it enabling your pH to stabilize as well as look over your nitrate. What test kit do you use? Post your ammonia, nitrite, nitrate, pH, KH and GH. High nitrate can lower pH if you're overfeeding and not doing sufficient maintenance.
 
Lupin;3053470; said:
Remind me to confront him over an unfounded explanation.:screwy:

Blood is far too miniscule in amount to have an impact. What are your KH and pH? If your pH keeps lowering, then you need to consider dosing calcium chloride to increase it enabling your pH to stabilize as well as look over your nitrate. What test kit do you use? Post your ammonia, nitrite, nitrate, pH, KH and GH. High nitrate can lower pH if you're overfeeding and not doing sufficient maintenance.
Click to expand...

that was what i was thinking too..the fish comsume's the food pretty fast.
water parameter's ammonia 0-0.25
nitrite 0
nitrate 10
kh 17.9
ph after water change 6.6-6.8 after about 2-3days it
goes down to 6.0.
tank size 180gal with wet/dry sump and a fx-5
stock 10 x datnoid,1 x aro,1 x royal knife,1 x ornate. all test done with api test kit..
 
The LFS owner is full of 2/-/17
 
Your KH is high which should not have caused an issue to the pH but the pH test kit by API has gathered interest in its reliability in a few forums I am a member of. The pH liquid chemical residues may still stick to the vial and alter the results. Check the expiration date of that kit. If found expired, get another kit and then high pH test kit to see what you get. If your fish are still doing well though, I doubt this is an issue and your pH may not be as low as your test kit actually showed.
 
not sure if anyone mentioned this but blood physicaly couldnt be whats driving your pH down. blood is actualy alkaline not acidic (its ph is about 7.3-7.4)
 
Live coral would lower your pH by sequesting the CaCO3 leaving behind CO2. When you say you're adding coral, do you mean live rock, or crushed coral additive?
 
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