Fritz RPM Reef Pro Mix Salt
FZ-RPM55
Fritz RPM (Reef Pro Mix) is a complete professional marine salt mix for reef and fish-only systems, containing all the major, minor and trace elements of natural seawater in precise...
Or build it into a bundle — save up to 6% ↓What it is, and who it is for.
Fritz RPM (Reef Pro Mix) is a complete professional marine salt mix for reef and fish-only systems, containing all the major, minor and trace elements of natural seawater in precise ratios. It features enhanced buffering for stable pH and elevated calcium, magnesium and potassium levels, and is formulated free of nitrate, phosphate and ammonia. Each batch is mixed in small lots in Fritz's own facility and tested by in-house quality control before shipping.
Build around the Fritz RPM Reef Pro Mix Salt.
It's already in your system below. Add the flow, filtration and dosing around it and the discount starts working — tiers climb as the build grows, and the reef meter fills with it.
Pick the right one, not the biggest one
The honest line-up from salt mix. Most buyers reading this page should buy the middle column.
Aquaforest Reef Salt
Fritz RPM Reef Pro Mix Salt
Red Sea Coral Pro SaltAsked before checkout
The questions our support inbox actually gets.
Does it ship quickly?+
Orders placed before 2 PM ET on a business day leave the same day. Tracking is emailed the moment the label prints.
What if it's the wrong fit for my tank?+
Return it. 30 days, no restocking fee, refund to the original payment method. Better: tell us your tank first and we'll spec the system for free — half of all returns are sizing problems.
Who handles the warranty?+
We do. Everything carries the manufacturer's warranty and we run the claim for you — one email to us instead of a ticket queue.
How does the bundle discount work?+
Add items in the bundle builder: 2+ items saves 5%, 3+ saves 8%, 4+ saves 12%, and 5+ saves 15% off the whole system, applied at checkout.