10/29/2026
💡 PRO CARE TIP: BEFORE TRYING TO RAISE pH, FIND OUT WHY IT’S LOW
Seeing a low pH reading doesn’t automatically mean your reef needs buffer. Before adding anything, figure out what’s actually causing it.
🧪 FIRST — VERIFY THE READING
Retest questionable results, check test-kit reagents and expiration dates, and calibrate electronic pH probes when applicable. Compare the reading with your reef’s normal daily pattern before reacting.
⚗️ CHECK ALKALINITY
Alkalinity and pH are related, but low pH does NOT automatically mean low alkalinity. If alkalinity is already appropriate, repeatedly adding buffer just to raise pH can push alkalinity too high.
🏠 CONSIDER EXCESS CO₂
Elevated indoor CO₂ is a common contributor to lower reef-tank pH. Closed rooms, limited ventilation, people and pets, and inadequate air/water interaction can all contribute.
🌊 CHECK YOUR GAS EXCHANGE
Evaluate surface agitation, overflow operation, protein-skimmer performance and overall circulation. Better access to lower-CO₂ air can also help when practical.
🌅 LOOK AT WHEN pH IS LOW
A lower reading before the lights come on may simply be part of the normal day/night cycle. If pH remains unusually low throughout the day, investigate further.
⚠️ LOW pH IS A CLUE — NOT A COMMAND TO ADD BUFFER.
The better approach:
TEST → IDENTIFY THE CAUSE → CORRECT THE CAUSE → MONITOR
🛒 TEST BEFORE YOU DOSE
Ellis Aquatics carries pH and alkalinity testing equipment, calibration solutions, calcium and alkalinity supplements, dosing equipment and other reef-chemistry products to help you make informed adjustments—all at the LOWEST prices!
📍 Ellis Aquatics
The HIGHEST quality, the LOWEST prices
2301 N Wilmington Ave., Compton, CA 90222
📞 562 822 6673
