Best Atlas Scientific Environmental Robotics in 2026

Great for Aquaponics and Hydroponics

One 250ml (8oz) pH Up and One 250ml (8oz) pH Down

Use 15mL (1 tbsp) per Gallon or 3ml per Liter

Includes 1 4oz (125ml) pH 4, 7, & 10 Calibration Solutions and 1 4oz (125ml ) pH Electrode Storage Solution

±0.02 pH at 25°C

Works with all pH Probes

One 250ml (8oz) pH 7

Works with any pH Probe

±0.02 pH at 25°C

Includes: One 125ml (4oz) pH 4.00, One 125ml (4oz) pH 7.00, One 125ml (4oz) pH 10.00

Works with any pH Probe

±0.02 pH at 25°C

One 250ml (8oz) pH 4.00, One 250ml (8oz) pH 7.00, One 250ml (8oz) pH 10.00

Works with any pH Probe

±0.02 pH at 25°C

Two 250ml (8oz) of pH Down (16oz in total)

Great for Aquaponics and Hydroponics

Use 15mL (1 tbsp) per gallon or 3ml per Liter

Includes One 8oz (250ml ) pH 7.00 and One 8oz (250ml ) pH 10.00

Works with any pH Probe

±0.02 pH at 25°C

Two 125ml (8oz Total) pH 7.00

Works with any pH Probe

±0.02 pH at 25°C

Range: K 0.1 - 0.5 µs/cm to 50,000 µs/cm

Cable Length 1 Meter

Response Time: 90% in 1s

Kit Includes: 1 EZO-EC Embedded Circuit

1 Conductivity Probe K 0.1 Range: 0.07 µS/cm to 50,000 µS/cm

1 125ml (4oz) Conductivty Calibration Solutions 84µS

Kit includes: 1 EZO-EC Embedded Circuit

1 Conductivity Probe K 1.0 Range: 5 µs/cm to 200,000 µs/cm

1 125ml (4oz) Conductivty Calibration Solutions 12,880µS

Kit includes: 1 EZO-DO embedded circuit

1 Dissolved Oxygen Probe

1 Electrically Isolated EZO Carrier Board

General Hydroponics pH Control Kit contains everything you need to measures pH levels of your hydroponic grow reservoirs

RELIABLE RESULTS: The streamlined testing system delivers fast, accurate, and easy-to read results every time

ALL-IN-ONE KIT: Includes 8 oz. General Hydroponics pH Up Liquid, 8 oz. General Hydroponics pH Down Liquid, 1 oz. Test Indicator, test tube, an eyedropper, and a pH level chart

Liquids to stabilize nutrient pH in hydroponics

Includes pH Up and pH Down 1 qt. bottles

pH Up: base solution formulated with potassium carbonate

Product 1: The FloraSeries is a hydroponic-based nutrient fertilizer system that helps fulfill your plants’ nutrient needs at every stage of growth

Product 1: Nutrients included are FloraMicro, FloraBloom, and FloraGro

Product 1: FloraMicro is rich in nitrogen, calcium, and chelated micronutrients to help support fast-growing crops during all growth stages

2 lbs of Potassium Hydroxide (KOH) per container shipped in an HDPE container with a resealable child proof cap.

ESSENTIAL DEPOT is the FIRST as well as the ONLY SELLER whose PACKAGING, LABELING, and PRODUCT has been APPROVED by the U.S. government. Our label complies with all federal regulations, our containers (including the caps) comply with applicable regulatory and statutory requirements, and the product itself actually exceeded the government's third party independent laboratory testing standards.

Manufactured by the electrolysis of a potassium chloride (KCI) solution using membrane electrolytic cells (but non mercury based). Chlorine and Hydrogen are formed from the electrolytic production as co-products.

Base solution formulated potassium hydroxide and potassium carbonate

Add when your nutrient pH is too low in order to raise the pH to the proper level

Adjust by adding a little at a time

Liquid plant food contains a pH buffering system great for houseplants and all hydroponic gardening applications for consistent, fast growth

Indoor gardening with an AeroGarden growing system provides water and food reminders to help plants thrive

Plant fertilizer is instantly available to plants and improves the release of critical micronutrients

Concentrated Granular Sodium Bisulfate.

Biodegradable, Non Toxic, Safer the Muriatic acid

10 lbs. granular pH Reducer = 1 gal. muriatic acid

WHAT YOU NEED: The Biopharm team is bringing to you a super pack of propylene glycol and vegetable glycerin that should not be missing from any home. Easy to use and 100% non-toxic, these <strong>e-liquids</strong> are indispensable from your kitchen.

CONVENIENT & PRACTICAL: The Biopharm PG and VG solutions are stable and ready-to-use, so you don’t need to worry about safety. The squeezable poly bottles are practical and easy to use, allowing you to create a wide range of consumer products.

COMPLETELY SAFE: Our pure vegetable glycerin and propylene glycol kit are non-toxic, food-grade, and kosher, so you can use them safely in a wide variety of applications.

STRONG ACID AND BASE FOR SUPERIOR PH STABILITY: Bloom City pH Down and Up are strong pH adjusting agents that help the home grower maintain optimal pH levels. Formulated with the highest grade pH adjusting formulas

WORKS IN ALL ENVIRONMENTS: Designed for hydroponics systems, soilless mediums (eg: coco coir and peat), and soil gardens

SAFE TO USE FOR ALL PLANTS: Add to every watering to adjust pH to the desired level, for soil usually aim for a pH of 5.8-6.2, it’s that easy

Clean lab quality pH probes with Bluelab pH Probe Care Kit; General uses for probes include growing tent, reservoir, water tank, and hydroponics

Probe care extends the life of probes and improves accuracy of pH up and down measurements; Regular hydration of a pH probe in KCl solution is key for a longer lifespan

Try Bluelab Care Kit Conductivity for full cleaning set of TDS (ppm) tester, meter and other tools for full garden nutrient monitoring system in water and soil

➪ #1 BEST SELLER IN CANADA - STANDARD HYDROPONICS pH Kit For Hydroponic Growing Systems is Critical So You Can Adjust pH To Maximize Plant Growth And Nutrient Up Takes Since Not All Water is The Same Across The Land.

➪ ONE DROP GOES A LONG WAY - Having Hard Water To Maximize Plant Growth From Nutrient UpTakes Can Get Tricky With pH Drifting, So We Run Our pH Formula ( Very Richer With Out Buffers ) - This Allows Nutrients To Bind, So Your Plants Will Feed In The Grow Zone Longer.

➪ PRECISION IS KEY Comes With ( 2 ) Pipettes, That Are 3 ml Pipette Droppers with 0.5 mL Graduations So You'll Always Know Just How Little Or How Much To Use.

Great for Aquaponics and Hydroponics

One 250ml (8oz) pH Up and One 250ml (8oz) pH Down

Use 15mL (1 tbsp) per Gallon or 3ml per Liter

Three drops of pH Test Indicator for every 5 milliliters of solution will determine the acidity or alkalinity of a plain water sample or nutrient solution;

the resulting color of the sample corresponds to the pH chart included on the bottle

8 oz