The store will not work correctly in the case when cookies are disabled.
Bulk Reef Supply Saltwater Logo
Bulk Reef Supply Freshwater Logo

FREE SHIPPING: Dry Goods Orders $49+ & Live Animal Orders $179+

Skip to Content
Menu BRS Freshwater
My Cart
    • My Account
    • My Orders
    • Address Book
    • Sign Out
    • Reward Points
  • Sign In
Bulk Reef Supply Mobile Menu
Close

Quick Links

  • DEALS
  • Gift Cards
  • What's New
  • Education
  • Clearance
  • Open Box
  • PR Rewards
  • Shop Brands
  • FAQs
  • Saltwater
Menu
Weekly Deals Weekly Deals
Sign up to be a Reward Member Earn Reward Points
Returns 365-Day Returns
Experts Aquarium Experts
  • Weekly Deals Weekly Deals
  • Sign up to be a Reward Member Earn Reward Points
  • Returns Risk-Free 365 Day Returns
  • Experts Aquarium Experts
  • Home
  • CO2 & Plant Care
  • CO2 Injection
  • Drop Checkers & pH Monitoring

Drop Checkers & pH Monitoring

Maintain perfect water balance in your planted aquarium with our range of drop checkers and pH monitoring tools. These essential tools help you accurately track CO2 levels and pH, ensuring optimal conditions for plant growth and fish health. From easy-to-use drop checkers to advanced digital pH meters, our selection provides reliable readings, allowing you to fine-tune your tank’s environment.

Loading...
Set Descending Direction

14 Items

  1. CO2 Drop Checker Kit
    CO2Art
    CO2 Drop Checker Kit
    $18.99 $18.99

  2. Fluval CO2 Indicator Set
    Fluval
    Fluval CO2 Indicator Set
    $17.99 $17.99

  3. pH Checker for Planted Aquariums
    Seachem
    pH Checker for Planted Aquariums
    $9.47 $9.47

  4. Aquarium CO2 Drop Checker Solution (15ml)
    CO2Art
    Aquarium CO2 Drop Checker Solution (15ml)
    $7.99 $7.99

  5. pH Checker Refill Solution
    Seachem
    pH Checker Refill Solution
    $3.61 $3.61

  6. CO2 Indicator
    ISTA
    CO2 Indicator
    $13.39 $13.39

  7. CO2 Indicator Solution
    ISTA
    CO2 Indicator Solution
    $6.39 $6.39

  8. pH Test Kit
    API
    pH Test Kit
    $7.98 $7.98

  9. Narrow pH Test Kit
    NT Labs
    Narrow pH Test Kit
    $10.15 $10.15

  10. Broad pH Test Kit
    NT Labs
    Broad pH Test Kit
    $10.15 $10.15

  11. PINPOINT pH Monitor Inc.
    American Marine
    PINPOINT pH Monitor Inc.
    $94.99 $94.99

  12. Milwaukee MC120 pH Monitor
    Milwaukee Instruments
    Milwaukee MC120 pH Monitor
    $139.15 $139.15

  13. PH-200 Waterproof pH Meter
    HM Digital
    PH-200 Waterproof pH Meter
    $79.99 $79.99

  14. HI98108 Waterproof pHep+ Pocket Tester
    Hanna Instruments
    HI98108 Waterproof pHep+ Pocket Tester
    $79.99 $79.99

SIGN UP TO JOIN THE COMMUNITY & STAY CONNECTED

Our email newsletter is your front-row seat to the best deals, educational videos, new products and more.

Sign Up Now
BRS Fresh https://media2.cdn.bulkreefsupply.com/media/logo/stores/1/BRS-Logo-498x174.png https://fresh.bulkreefsupply.com/
BRS Fresh Bulk Reef Supply
  • Facebook Opens a new window
  • Youtube Opens a new window
  • Instagram Opens a new window
  • TikTok Opens a new window

Contact

  • 763-432-9691

  • 8am - 6pm CT M-Th
    9am - 4pm CT Friday
  • support@bulkreefsupply.com
  • 6325 Sandburg Road, Suite 200
    Golden Valley, MN 55427 US

About Us
About Bulk Reef Supply
Careers
Mr. Chili Sustainability Alliance
Affiliate Program
Terms & Conditions
Customer Center
Contact Us
Preferred Reefer Program
Returns & Replacements
Payment, Pricing & Promos
Shipping & Delivery
Wholesale Customers
APL Star Logo
© 2026 Aperture Pet & Life. All Rights Reserved.
Privacy Policy

item(s) Added to Your Cart

Product Name

View Cart Checkout Now
You may also like
Green Spike/Amazonia Aquarium Backgrounds
SeaView
Green Spike/Amazonia Aquarium Backgrounds
From: $5.00

Choose Options
GloFish® Aquarium Sand (5lbs)
GloFish®
GloFish® Aquarium Sand (5lbs)
$8.39 $8.39

Aquascape Epoxy (Rock Grey Color)
D-D The Aquarium Solution
Aquascape Epoxy (Rock Grey Color)
$11.99 $11.99

Betta World - Mini Lava Rock (1lb)
Aqua Natural
Betta World - Mini Lava Rock (1lb)
$7.48 $7.48

S-Curved Scissors (9.8 inch)
Fluval
S-Curved Scissors (9.8 inch)
$26.99 $26.99

Super Naturals Substrate - Zen Garden
CaribSea
Super Naturals Substrate - Zen Garden
From: $13.32

Choose Options
Betta World - Diamond Black Substrate (1lb)
Aqua Natural
Betta World - Diamond Black Substrate (1lb)
$7.48 $7.48

Flipper Tank Buddy Utility Tray
Flipper
Flipper Tank Buddy Utility Tray
$24.99 $24.99

Pacific Driftwood
Ultum Nature Systems
Pacific Driftwood
Rating:
100%
1 Review
From: $4.99

Choose Options
Moss Cultivation Pad
ISTA
Moss Cultivation Pad
From: $4.80

Choose Options

Login and Registration Form

  • Login
  • Register

Registered Customers
If you have an account, sign in with your email address.
Forgot Your Password?
or

Login with Your Social Profile Login with

Personal Information
Sign-in Information
Password Strength: No Password
Back
or

Login with Your Social Profile Login with
  • Forgot Your Password?

Please enter your email address below to receive a password reset link.
Go back