Households will have to pay higher water bills for up to nine months before they can claim a grant from the government.
It's been confirmed that EVERY household will be entitled to a 100 euro grant to help pay the bills - but they can't apply for it until September.
Opponents of water charges say today's news of lower costs for customers doesn't go far enough - and they're calling for a total boycott.
Our political correspondent Gavan Reilly reports;
