Calcium hardness is a key factor in pool and spa water chemistry, influencing both comfort and equipment longevity. The LaMotte Calcium Hardness ColorQ Testabs make it simple and accurate to measure calcium hardness levels in your pool or spa water. With 50 test tablets in each box, this product offers a reliable and cost-effective solution for regular water quality monitoring.

Key Features:

Fast & Accurate: Each tablet is precisely formulated to deliver immediate and trustworthy calcium hardness measurements.
Ease of Use: With a no-hassle tablet form, you can simply dissolve one into your water sample to receive clear, easy-to-read results.
Economical: The box includes 50 tablets, providing ample supply for regular calcium hardness testing and making it a cost-effective choice.
Compatibility: These tablets are designed to work seamlessly with LaMotte's ColorQ test kits, ensuring consistent and reliable results.
Quality Assurance: Produced by LaMotte, a trusted leader in water testing solutions, so you can be confident in the accuracy and reliability of your results.

What's Inside the Box:

One Box Containing 50 LaMotte Calcium Hardness ColorQ Testabs (3883A-H)

Why Buy From Pool Supply Express?

Fast Shipping: We understand the urgency of maintaining water quality. That’s why we strive to ship most orders within 24 hours.
Quality Guarantee: All our products meet stringent quality criteria to ensure customer satisfaction.
Expert Support: If you have any questions or run into any issues, our customer service team is always here to help.
Secure Payments: We value your privacy and security, employing a secure payment gateway to protect your personal and financial information.

For those who prioritize both accuracy and ease in water testing, the LaMotte Calcium Hardness ColorQ Testabs are an indispensable resource. Don't leave the health of your pool or spa to chance; rely on these tablets for precise calcium hardness readings.

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Warranty, shipping & compatibility

This product is covered by our warranty. Professional installation is recommended for equipment items to ensure proper electrical setup, plumbing connection, and programming. Before ordering, confirm your voltage, plumbing size, and any automation requirements — or simply call us at 602-529-1901 and we'll verify the right model for your system.

Shipping is free nationwide on every order. In-stock items leave our dock within 1 business day and typically arrive within 2–5 business days; oversized equipment like heaters ships by freight carrier with delivery scheduling. Unopened products can be returned within 30 days — and if anything arrives damaged, we'll take care of it immediately.

Frequently asked questions

How long does shipping take?

Free shipping on every order. Most items ship the next business day and arrive in 2–5 business days. Need it faster? Call us.

What is your return policy?

Most items can be returned within 30 days if unused and not installed. Just give us a call to get it started.

How do I know this part fits my equipment?

Check the part number listed on the product page against your equipment’s manual or existing part. If you’re unsure, call us at 602-529-1901 — our pool pros will verify compatibility before you order so you never get the wrong part.

Are these genuine manufacturer parts?

Yes. We sell only factory-fresh, genuine OEM products from authorized distribution channels — Pentair, Jandy, Raypak, Intermatic, and every other brand we carry. No knockoffs, no gray market.

Is there a warranty?

1-year limited warranty on eligible products, covering parts against manufacturing defects. Some exclusions apply.

Can I order by phone?

Absolutely. Call 602-529-1901 and one of our pool pros will take your order, answer questions, and confirm you’re getting exactly the right product for your setup.

Lamotte Calcium Hardness Colorq Testabs, 50 Per Box

$31.99