


pH+- / Hesi Regulator 1L
Hesi Ph+ (pH Plus) 1 L
Hesi Ph+ is a high-quality pH increaser designed to raise the pH of your nutrient solution to the optimal range for plant growth. It’s ideal for both the vegetative and flowering phases when a nutrient solution’s pH is too low.
Key Features:
- Rapid pH Adjustment: Formulated with 28% potassium hydroxide to quickly increase pH without overloading your nutrient solution.
- Precision Dosing: Small, incremental doses—start by adding a few drops at a time to your prepared nutrient solution.
- Versatile Use: Suitable for use during both the growth and flowering phases, ensuring optimal nutrient availability.
- Safety Focused: Comes with clear safety instructions; use protective gear (gloves, goggles) when handling.
Usage Instructions:
- Prepare Nutrient Solution: Mix your fertilizers in water and stir well.
- Initial pH Check: Measure the pH of your nutrient solution. If it’s below your target range (ideal range: 5.8–6.2 for hydro/soil setups), begin adjustments.
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Dosing:
- Add Hesi Ph+ in very small increments: for a 10 L nutrient solution, start with 1–2 drops (approximately 0.1–0.2 ml).
- Stir thoroughly and wait 2–3 minutes before re-checking the pH.
- Continue to add Hesi Ph+ dropwise until the pH reaches the desired level.
- Final Verification: Once the pH is adjusted to the optimal range, proceed with feeding. Avoid overcorrection to prevent nutrient imbalances.
Composition: 28% Potassium Hydroxide
Safety Warnings: Contains caustic substances. May cause burns on contact with skin or eyes. Always wear protective clothing, gloves, and safety goggles. In case of contact, rinse thoroughly with water and seek medical advice if necessary.
Hesi Ph– (pH Minus) 1 L
Hesi Ph– is an effective pH decreaser formulated to lower the pH of your nutrient solution when it is too high, ensuring that plants can efficiently absorb essential nutrients during growth.
Key Features:
- Efficient pH Lowering: Contains 59% phosphoric acid to rapidly reduce pH, preventing nutrient lockout caused by overly alkaline conditions.
- Controlled Application: Designed for precise, incremental adjustments—ideal for sensitive hydroponic and soil systems.
- Broad Compatibility: Suitable for various growth setups (hydro, soil, coco) during the growth phase when pH is above the ideal range.
- User Safety: Provided with comprehensive safety guidelines; proper handling is essential.
Usage Instructions:
- Mix Your Nutrient Solution: Combine your fertilizers with water and stir well.
- Measure pH: Check the pH of your nutrient solution. If it’s above your optimal range (target: 5.8–6.2), Hesi Ph– is needed.
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Incremental Adjustment:
- For a 10 L nutrient solution, begin by adding 1–2 drops (approximately 0.1–0.2 ml) of Hesi Ph–.
- Mix thoroughly and wait 2–3 minutes before re-testing the pH.
- Add more drops as needed, taking care not to overshoot the target pH.
- Confirm pH: Once the solution stabilizes at the desired range, use immediately for feeding.
Composition: 59% Phosphoric Acid
Safety Warnings: Highly corrosive. May cause severe burns to skin and eyes. Always wear protective gloves and goggles when handling Hesi Ph–. In case of accidental contact, rinse immediately with plenty of water and consult a doctor.
