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Water Tests & Treatment | Surplus Network

2x Seachem Prime Fresh and Saltwater Conditioner 100 ml
USA
2x Seachem Prime Fresh and Saltwater...

$9.99 USD

2x Seachem Prime Fresh and Saltwater...

$9.99 USD

API PH Test Kit
USA
API PH Test Kit

$9.99 USD

API PH Test Kit

$9.99 USD

API GH & KH Test Kit
USA
API GH & KH Test Kit

$12.49 USD

API GH & KH Test Kit

$12.49 USD

Seachem Stress Guard
USA
Seachem Stress Guard

$12.49 USD

Seachem Stress Guard

$12.49 USD

Seachem Stability
USA
Seachem Stability

$7.29 USD

Seachem Stability

$7.29 USD

3 Pack- Seachem Ammonia Alert Fish Tank Aquarium Testing Maintenance
USA
3 Pack- Seachem Ammonia Alert Fish...

$15.99 USD

3 Pack- Seachem Ammonia Alert Fish...

$15.99 USD

API TAP WATER CONDITIONER Aquarium Water Conditioner 16-Ounce Bottle
USA
API TAP WATER CONDITIONER Aquarium...

$11.40 USD

API TAP WATER CONDITIONER Aquarium...

$11.40 USD

SEACHEM PRIME DECHLORINATOR AMMONIA NITRATE REMOVER AQUARIUM WATER FISH TANK
USA
SEACHEM PRIME DECHLORINATOR AMMONIA...

$7.99 USD

SEACHEM PRIME DECHLORINATOR AMMONIA...

$7.99 USD

SEACHEM PRIME DECHLORINATOR AMMONIA NITRATE REMOVER AQUARIUM WATER FISH TANK
USA
SEACHEM PRIME DECHLORINATOR AMMONIA...

$7.99 USD

SEACHEM PRIME DECHLORINATOR AMMONIA...

$7.99 USD

API ROOT TABS Freshwater Aquarium Plant Fertilizer 0.4-Ounce 10-Count Box
USA
API ROOT TABS Freshwater Aquarium...

$12.99 USD

API ROOT TABS Freshwater Aquarium...

$12.99 USD

API Ammo Lock 8oz. Fast Ammonia & Chlorine Detox Freshwater & Marine Aquariums
USA
API Ammo Lock 8oz. Fast Ammonia &...

$12.99 USD

API Ammo Lock 8oz. Fast Ammonia &...

$12.99 USD

API ACCU-CLEAR FRESHWATER AQUARIUM WATER CLARIFIER 8 oz
USA
API ACCU-CLEAR FRESHWATER AQUARIUM...

$12.51 USD

API ACCU-CLEAR FRESHWATER AQUARIUM...

$12.51 USD

Seachem Alerts Combo Pack Ammonia & pH
USA
Seachem Alerts Combo Pack Ammonia & pH

$11.99 USD

Seachem Alerts Combo Pack Ammonia & pH

$11.99 USD

Seachem Cichlid Lake Salt
USA
Seachem Cichlid Lake Salt

$11.99 USD

Seachem Cichlid Lake Salt

$11.99 USD

Seachem Prime
USA
Seachem Prime

$6.69 USD

Seachem Prime

$6.69 USD

Acurel F Aquarium Water Clarifier keeps Aquarium crystal clear 25/50/250 ML
USA
Acurel F Aquarium Water Clarifier...

$8.45 USD

Acurel F Aquarium Water Clarifier...

$8.45 USD

API Proper pH 6.5 Freshwater Aquarium pH Stabilizer, 1 count
USA
API Proper pH 6.5 Freshwater Aquarium...

$10.79 USD

API Proper pH 6.5 Freshwater Aquarium...

$10.79 USD

Leaf Zone Aquarium Planted Fertilizer Food Iron/Potassium API 8oz
USA
Leaf Zone Aquarium Planted Fertilizer...

$10.79 USD

Leaf Zone Aquarium Planted Fertilizer...

$10.79 USD

API Proper pH Adjuster for Aquariums, pH 8.2 - 160 Gram Jar
USA
API Proper pH Adjuster for Aquariums,...

$10.79 USD

API Proper pH Adjuster for Aquariums,...

$10.79 USD

Seachem Laboratories Prime Ammonia Detoxifier (Each Sold Separately)
USA
Seachem Laboratories Prime Ammonia...

$6.59 USD

Seachem Laboratories Prime Ammonia...

$6.59 USD

Seachem Stability Fish Tank Stabilizer For Freshwater and Marine Aquariums 100
USA
Seachem Stability Fish Tank...

$5.87 USD

Seachem Stability Fish Tank...

$5.87 USD

SEACHEM PRIME DECHLORINATOR AMMONIA NITRATE REMOVER AQUARIUM WATER FISH TANK
USA
SEACHEM PRIME DECHLORINATOR AMMONIA...

$6.96 USD

SEACHEM PRIME DECHLORINATOR AMMONIA...

$6.96 USD

API Tap Water Conditioner 32 Ounce
USA
API Tap Water Conditioner 32 Ounce

$20.99 USD

API Tap Water Conditioner 32 Ounce

$20.99 USD

API
USA
API' ACCU-CLEAR Freshwater Aquarium...

$8.13 USD

API' ACCU-CLEAR Freshwater Aquarium...

$8.13 USD

SEACHEM PRIME DECHLORINATOR AMMONIA NITRATE REMOVER AQUARIUM WATER FISH TANK
USA
SEACHEM PRIME DECHLORINATOR AMMONIA...

$6.92 USD

SEACHEM PRIME DECHLORINATOR AMMONIA...

$6.92 USD

Tetra AquaSafe Plus Water Conditioner & Dechlorinator, 33.8 oz...
USA
Tetra AquaSafe Plus Water Conditioner...

$19.77 USD

Tetra AquaSafe Plus Water Conditioner...

$19.77 USD

API MARINE REEF MASTER TEST KIT EXP 03-2025
USA
API MARINE REEF MASTER TEST KIT EXP...

$24.00 USD

API MARINE REEF MASTER TEST KIT EXP...

$24.00 USD

API POND MASTER TEST KIT Pond Water Test Kit OVER 500-TEST EXP 03 -2025
USA
API POND MASTER TEST KIT Pond Water...

$24.00 USD

API POND MASTER TEST KIT Pond Water...

$24.00 USD

Seachem Laboratories Flourish Excel Aquarium Plant Supplement (Sold Separately)
USA
Seachem Laboratories Flourish Excel...

$6.95 USD

Seachem Laboratories Flourish Excel...

$6.95 USD

Seachem Flourish Aquarium Plant Supplement (Each Sold Separately)
USA
Seachem Flourish Aquarium Plant...

$6.95 USD

Seachem Flourish Aquarium Plant...

$6.95 USD

8 in 1 Aquarium Test Kit Fish Tank Test Strips Accurate Water Quality Testing St
USA
8 in 1 Aquarium Test Kit Fish Tank...

$9.53 USD

8 in 1 Aquarium Test Kit Fish Tank...

$9.53 USD

SEACHEM PRIME DECHLORINATOR AMMONIA NITRATE REMOVER AQUARIUM WATER FISH TANK
USA
SEACHEM PRIME DECHLORINATOR AMMONIA...

$8.99 USD

SEACHEM PRIME DECHLORINATOR AMMONIA...

$8.99 USD

Seachem Flourish Potassium
USA
Seachem Flourish Potassium

$8.99 USD

Seachem Flourish Potassium

$8.99 USD

API pH Down 4oz Lowers Freshwater Aquarium pH Safe for Plants and Fish
USA
API pH Down 4oz Lowers Freshwater...

$8.99 USD

API pH Down 4oz Lowers Freshwater...

$8.99 USD

Hanna HI764 Nitrite Ultra Low Range Checker HC (Saltwater) - Hanna Instruments
USA
Hanna HI764 Nitrite Ultra Low Range...

$34.99 USD

Hanna HI764 Nitrite Ultra Low Range...

$34.99 USD

API Stress Coat Plus 8 oz (Treats 474 Gallons): New- Free U.S Shipping
USA
API Stress Coat Plus 8 oz (Treats 474...

$11.43 USD

API Stress Coat Plus 8 oz (Treats 474...

$11.43 USD

GHL Profilux 4 Mega Set - Aquarium Controller (ph, Temp, Orp, Salinity)
USA
GHL Profilux 4 Mega Set - Aquarium...

$500.00 USD

GHL Profilux 4 Mega Set - Aquarium...

$500.00 USD

100/200 Aquarium Test Strips Fish Tank 7IN1PH Water Test Strips Kit Freshwater^^
USA
100/200 Aquarium Test Strips Fish...

$9.49 USD

100/200 Aquarium Test Strips Fish...

$9.49 USD

SALE!! 2pack Seachem Ammonia Alert Card. Monitors Levels in Marine & Freshwater
USA
SALE!! 2pack Seachem Ammonia Alert...

$9.49 USD

SALE!! 2pack Seachem Ammonia Alert...

$9.49 USD

100/200 Aquarium Test Strips Fish Tank 7IN1 PH Water Test Strips Kit Freshwater※
USA
100/200 Aquarium Test Strips Fish...

$9.49 USD

100/200 Aquarium Test Strips Fish...

$9.49 USD

Weco Wonder Shell De-Chlorinator - Giant - For Fish Ponds - Pack of 1
USA
Weco Wonder Shell De-Chlorinator -...

$7.41 USD

Weco Wonder Shell De-Chlorinator -...

$7.41 USD

Seachem Combo Alert Freshwater PH & Ammonia 3-6 Month
USA
Seachem Combo Alert Freshwater PH &...

$12.29 USD

Seachem Combo Alert Freshwater PH &...

$12.29 USD

Seachem Discus Trace
USA
Seachem Discus Trace

$12.29 USD

Seachem Discus Trace

$12.29 USD

Salifert Freshwater Potassium Test Kit
USA
Salifert Freshwater Potassium Test Kit

$19.29 USD

Salifert Freshwater Potassium Test Kit

$19.29 USD

Seachem Prime 250mL Fish Tank Aquarium Water Conditioner Treatment
USA
Seachem Prime 250mL Fish Tank...

$12.69 USD

Seachem Prime 250mL Fish Tank...

$12.69 USD

Seachem Laboratories Acid Buffer Aquarium Water Treatment
USA
Seachem Laboratories Acid Buffer...

$7.95 USD

Seachem Laboratories Acid Buffer...

$7.95 USD

Seachem Stability for Marine & Freshwater Aquariums (Each Sold Separately)
USA
Seachem Stability for Marine &...

$7.95 USD

Seachem Stability for Marine &...

$7.95 USD

Hikari Aquarium Solutions Prazipro Water Treatment
USA
Hikari Aquarium Solutions Prazipro...

$7.95 USD

Hikari Aquarium Solutions Prazipro...

$7.95 USD

100/50PC Aquarium Test Strips Fish Tank 7IN1 PH Water Strips Kit Freshwate K8R2
China
100/50PC Aquarium Test Strips Fish...

$4.85 USD

100/50PC Aquarium Test Strips Fish...

$4.85 USD

API FRESHWATER MASTER TEST KIT 800-Test Freshwater Aquarium Water Master Test
USA
API FRESHWATER MASTER TEST KIT...

$37.98 USD

API FRESHWATER MASTER TEST KIT...

$37.98 USD

API Quick Start 32oz Freshwater and Marine Aquarium Rapid Cycle Starter
USA
API Quick Start 32oz Freshwater and...

$36.59 USD

API Quick Start 32oz Freshwater and...

$36.59 USD

API pH Test Kit for Freshwater Aquariums Contains 250 Fast and Easy Tests
USA
API pH Test Kit for Freshwater...

$10.99 USD

API pH Test Kit for Freshwater...

$10.99 USD

API Fungus Cure 1 Each/4 Oz By API
USA
API Fungus Cure 1 Each/4 Oz By API

$10.99 USD

API Fungus Cure 1 Each/4 Oz By API

$10.99 USD

API Replacement Test Tubes - 24 Test Tubes with Caps: Free Shipping
USA
API Replacement Test Tubes - 24 Test...

$22.79 USD

API Replacement Test Tubes - 24 Test...

$22.79 USD

Seachem Flourish
USA
Seachem Flourish

$8.69 USD

Seachem Flourish

$8.69 USD

HI782 Hanna Marine Nitrate High Range Checker
USA
HI782 Hanna Marine Nitrate High Range...

$67.99 USD

HI782 Hanna Marine Nitrate High Range...

$67.99 USD

API pH Down Freshwater Aquarium Water Treatment 1 Each/1.25 Oz By API
USA
API pH Down Freshwater Aquarium Water...

$8.53 USD

API pH Down Freshwater Aquarium Water...

$8.53 USD

Fluval Cycle Biological Enhancer
USA
Fluval Cycle Biological Enhancer

$19.99 USD

Fluval Cycle Biological Enhancer

$19.99 USD

Hanna Instruments Alkalinity (dKH) Checker Reagents
USA
Hanna Instruments Alkalinity (dKH)...

$19.99 USD

Hanna Instruments Alkalinity (dKH)...

$19.99 USD

API Stress Zyme 64oz Consumes Sludge for Cleaner Marine and Freshwater Aquariums
USA
API Stress Zyme 64oz Consumes Sludge...

$49.99 USD

API Stress Zyme 64oz Consumes Sludge...

$49.99 USD

SEACHEM PRIME DECHLORINATOR AMMONIA NITRATE REMOVER AQUARIUM WATER FISH TANK
USA
SEACHEM PRIME DECHLORINATOR AMMONIA...

$7.06 USD

SEACHEM PRIME DECHLORINATOR AMMONIA...

$7.06 USD

API Freshwater Master Test Kit
USA
API Freshwater Master Test Kit

$15.00 USD

API Freshwater Master Test Kit

$15.00 USD

eSHa 2000 Anti-Bacteria Treatment. Aquarium Fish. 20ml 180ml 500ml. Fungus
United Kingdom
eSHa 2000 Anti-Bacteria Treatment....

$8.86 USD

eSHa 2000 Anti-Bacteria Treatment....

$8.86 USD

API Calcium Ca2+ Test Kit for Healthy Coral Growth
USA
API Calcium Ca2+ Test Kit for Healthy...

$10.19 USD

API Calcium Ca2+ Test Kit for Healthy...

$10.19 USD

50pcs Fish Tank Test Strips 7-Way Aquarium Testing Kit for Freshwater Saltwater
USA
50pcs Fish Tank Test Strips 7-Way...

$9.69 USD

50pcs Fish Tank Test Strips 7-Way...

$9.69 USD

API Freshwater Master Test Kit
USA
API Freshwater Master Test Kit

$29.99 USD

API Freshwater Master Test Kit

$29.99 USD

HI774-25 Ultra Low Range Phosphate Checker Reagents - Hanna Instruments
USA
HI774-25 Ultra Low Range Phosphate...

$17.99 USD

HI774-25 Ultra Low Range Phosphate...

$17.99 USD

REEF HD - REEF FLUX REMOVES FISH INFECTIONS ALGAE BRYOPSIS CAULERPA GREEN HAIR
USA
REEF HD - REEF FLUX REMOVES FISH...

$17.99 USD

REEF HD - REEF FLUX REMOVES FISH...

$17.99 USD

Leaf Zone Aquarium Planted Fertilizer Food Iron/Potassium API 18oz
USA
Leaf Zone Aquarium Planted Fertilizer...

$14.89 USD

Leaf Zone Aquarium Planted Fertilizer...

$14.89 USD

GlasGarten Bacter AE Micro Powder/Water Additive For Shrimp Tanks CRS Bee Cherry
USA
GlasGarten Bacter AE Micro...

$14.99 USD

GlasGarten Bacter AE Micro...

$14.99 USD

Tetra EasyStrips 6-in-1 Aquarium Test Strips for Fresh/Salt Water
USA
Tetra EasyStrips 6-in-1 Aquarium Test...

$14.99 USD

Tetra EasyStrips 6-in-1 Aquarium Test...

$14.99 USD

Brightwell Aquatics MicroBacter7 500mL Marine and Freshwater Complete Bioculture
USA
Brightwell Aquatics MicroBacter7...

$25.99 USD

Brightwell Aquatics MicroBacter7...

$25.99 USD

NilocG Aquatics | Thrive All In One Liquid Fertilizer | 500ml Bottle |
USA
NilocG Aquatics | Thrive All In One...

$25.99 USD

NilocG Aquatics | Thrive All In One...

$25.99 USD

Seachem Metroplex Marine & Freshwater Treatment
USA
Seachem Metroplex Marine & Freshwater...

$11.95 USD

Seachem Metroplex Marine & Freshwater...

$11.95 USD

API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 1-Ounce
USA
API QUICK START Freshwater and...

$5.89 USD

API QUICK START Freshwater and...

$5.89 USD

Seachem Malawi/Victoria Buffer
USA
Seachem Malawi/Victoria Buffer

$11.29 USD

Seachem Malawi/Victoria Buffer

$11.29 USD

API QUICK START Freshwater and Saltwater Aquarium Nitrifying Bacteria 16-Ounce
USA
API QUICK START Freshwater and...

$15.89 USD

API QUICK START Freshwater and...

$15.89 USD

Aquarium Fish Tank Cleaner Safe Water Clarifier Rapid Cleaning Aquarium Cleaner
USA
Aquarium Fish Tank Cleaner Safe Water...

$9.63 USD

Aquarium Fish Tank Cleaner Safe Water...

$9.63 USD

API BETTA WATER CONDITIONER Betta Fish Freshwater Aquarium Water Conditioner 1.7
USA
API BETTA WATER CONDITIONER Betta...

$4.65 USD

API BETTA WATER CONDITIONER Betta...

$4.65 USD

SAFE by Seachem - 250g (8.8 Ounces) Powder for Fresh & Saltwater Aquariums
USA
SAFE by Seachem - 250g (8.8 Ounces)...

$13.99 USD

SAFE by Seachem - 250g (8.8 Ounces)...

$13.99 USD

Salifert Core Alkalinity Calcium Magnesium Combo Test Kit - Salifert
USA
Salifert Core Alkalinity Calcium...

$45.99 USD

Salifert Core Alkalinity Calcium...

$45.99 USD

Dark Water Extracts 8oz, Highly Concentrated Humic & Fluvic Black water aquarium
USA
Dark Water Extracts 8oz, Highly...

$12.15 USD

Dark Water Extracts 8oz, Highly...

$12.15 USD

Fritz Turbo Start 900 (Saltwater) 1oz
USA
Fritz Turbo Start 900 (Saltwater) 1oz

$16.99 USD

Fritz Turbo Start 900 (Saltwater) 1oz

$16.99 USD

Aqueon Pure Live Beneficial Bacteria & Enzymes Dozen Each Ball Treats 10 Gallons
USA
Aqueon Pure Live Beneficial Bacteria...

$16.99 USD

Aqueon Pure Live Beneficial Bacteria...

$16.99 USD

Seachem Flourish Iron
USA
Seachem Flourish Iron

$8.95 USD

Seachem Flourish Iron

$8.95 USD

Brightwell MicroBacter 7 (250mL) Complete Bioculture Fish Tank Additive
USA
Brightwell MicroBacter 7 (250mL)...

$15.05 USD

Brightwell MicroBacter 7 (250mL)...

$15.05 USD

Reef Plus (500 mL) - Seachem
USA
Reef Plus (500 mL) - Seachem

$11.69 USD

Reef Plus (500 mL) - Seachem

$11.69 USD

Ultralife Red Slime Stain Remover Cyanobacteria Remove Red Slime Algae Quickly
USA
Ultralife Red Slime Stain Remover...

$18.99 USD

Ultralife Red Slime Stain Remover...

$18.99 USD

API Turtle Water Conditioner 4 fl oz
USA
API Turtle Water Conditioner 4 fl oz

$9.95 USD

API Turtle Water Conditioner 4 fl oz

$9.95 USD

Trace Element 500 ml (Bromine)
USA
Trace Element 500 ml (Bromine)

$22.99 USD

Trace Element 500 ml (Bromine)

$22.99 USD

eSHa 2000 Anti-Bacteria Treatment. Aquarium Fish. 20ml 180ml 500ml. Fungus
United Kingdom
eSHa 2000 Anti-Bacteria Treatment....

$6.74 GBP

eSHa 2000 Anti-Bacteria Treatment....

$6.74 GBP

Fritz Turbo Start 900 (Saltwater) 4oz
USA
Fritz Turbo Start 900 (Saltwater) 4oz

$25.49 USD

Fritz Turbo Start 900 (Saltwater) 4oz

$25.49 USD

Brightwell Aquatics MicroBacter7 2 Liters 64oz Liquid Reef Bioculture
USA
Brightwell Aquatics MicroBacter7 2...

$55.99 USD

Brightwell Aquatics MicroBacter7 2...

$55.99 USD